NCERT Solutions for Class 10 Science Chapter 4 Carbon And Its Compounds - Free Download

Science textbook of Class 10th deals with the disciplines such as Physics, Chemistry, Biology and Environmental Science as integrated. However, as per Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Chapter Ncert Solutions Chem 10th Class 4 Chemistry the examination point of view, we can divide this book into three parts Physics, Chemistry and Biology. Environment Science part is covered in the Biology syllabus. You solutiond select your desired chapter from the list ncert solutions class 10th chemistry chapter 4 chem start your learning.

As previously stated, Environment Science part 10tn covered in the Biology syllabus. So we have total three subjects in Science subject, Physics, Chemistry and Biology. NCERT Solutions for Ncert Solutions Class 10th Chemistry Chapter 4 Chem Class 10 Science will introduce ncert solutions class 10th chemistry chapter 4 chem to the basic concepts of the chapters as the questions are given that check your all round understanding of the chapter.

You can get Ncert Solutions Class 10th Chemistry Chapter 4 Chem ahead of your competitors through these solutions. You also need to pay attention to time management to get good numbers. To divide this you should divide each topic according to time. Give more and more time to Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem that topic in which you are weak. We often do not give full time to repeat the chemistyr that come to us. It is necessary that you understand the chapter first and then proceed. Many times what happens is that you go to the exam by rote learning and if the question in the paper gets a little different then there is panic.

In such a situation, if you understand the chapter concepts, then Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem you will be ready to answer in every way. The first unit has total five chapters. The first chapter is about the chemical reactions and equations in which we will learn about how to write chemical equations and balance.

Also, chemistru will learn about the various types solugions chemical reactions. In the second chapter, we will learn about the various types of acids, bases and salts and their reactions with metals and non-metals.

The third Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem chapter will take us to the world of metals and non-metals where we will learn about their properties and reactions among. The fourth chapter is about the carbon and its compounds where we will learn about the Ncert Solutions Class 10th Chemistry Chapter 4 Chem properties of carbons and chemical substances containing carbon. In the fifth chapter, we will learn about the classification of elements and their evolution.

The Second unit consists of four chapters that are from sixth to ninth. The Ncert Solutions Class 10th Chemistry Chapter 4 Chem sixth chapter is about the various life processes which human need for their survival.

In the seventh chapter, we will talk about the parts of the human body which are engaged in control and coordination solutjons. The Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem eighth chapter deals with reproduction activities in unicellular and multicellular organisms. The ninth chapter, we will learn how the offsprings look alike. The third unit is How things works which have four chapters.

Ncert solutions class 10th Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem chemistry chapter 4 chem the tenth chapter, we will learn about light and its phenomena reflection and refraction in a detailed manner. The eleventh chapter is about the human eye and some optical phenomena in nature. The twelfth chapter deals with the electricity in which we will learn electric circuit and resistance. In the thirteenth chapter, magnetic effects of electric current and its applications.

The fourth unit has three chapters in it. The ncery chapters talk about the various sources of energy such as conventional and non-conventional sources. The fifteenth chapter is about our environment in which we will learn Ncert Solutions For Class 10th Science Chapter 3 Data about the eco-systems, food chains and how human activities contribute in degrading Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem ncert solutions class 10th chemistry chapter 4 chem quality.

The last chapter is about the conservation of natural resources. In previous classes, students were introduced to physical and chemical changes. The chemical changes signify the chemical reactions. The Ncert Solutions Class 10th Chemistry Chapter 4 CNcert Solutions Class 10th Chemistry Chapter 4 Chem hem indicators of chemical reactions are explained with some indicators like change in physical state, change in color, change in temperature and evolution of gas.

Cpass are explained with some experimental examples. After that writing of chemical Ncert Solutions Class 10th Chemistry Chapter 4 Chem equation has been explained. It is symbolic representation of chemical reactions.

Also, it chapfer been explained that how such equations can be more informative. For example, balancing a chemical equation will signify that the chemical reactions follow law solutinos conservation of mass. Other information like physical states and conditions required for reactions are mentioned.

After that various types of chemical reactions are explained are discussed. The types of chemical reactions are �combination reaction, decomposition Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem soluhions, displacement reaction, double decomposition reaction.

On cuem of energy, exothermic and endothermic reactions are mentioned. Redox reactions are explained which are combination of reduction reaction and oxidation reaction. All types of reactions are 10t with suitable Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem example with their respective chemical equation. Chapter 2 - Acid, Base and Salts Acid and cgem are studied in earlier classes.

Acids are defined as substances which are sour in taste and turn blue litmus red. Examples of acids are sour fruits like, Bases are defined as substances which are bitter in taste and turns red litmus blue.

Examples of bases are neem, clove, vinegar. Here, acids and bases are defined chemically. Bases are Ncert Solutions Class 10th Chemistry Chapter 4 Chem chemically those substances which generate OH- silutions in aqueous solutionIf not they are weak acids. After that, various chemical and olfactory indicators are discussed; this indicates the presence of acids or base in the solution. Bases are said Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem to be strong if whole of them get dissociated in water to form OH- ions.

For example, Methyl orange is a chemical indicator. It turns red in acidic solution and yellow in basic solution. Olfactory indicators are indicators which changes odor after coming in contact with acid and base.

For example, smell of clove vanishes when kept in contact with acid. After that acids and bases reactions are discussed with metals, metal oxides and Ncert Solutions Class 10th Chemistry Chapter 4 Chem metal carbonates. Reactions between acids and bases are also discussed. They are ncer as neutralization reactions. Salt is one of the products formed by acid, base reaction.

The various types of salts are discussed based on the Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem strength of acid or base. The pH scale Indicates if cgemistry solution is acidic, basic our neutral. It is an scale from So, is acidic, 7 is neutral, basic solution. Universal indicator is a mixture of several indicators. Chloro-alkali process is performed of salt solution. The various chemical substances are formed after reactions, directly or in-directly are used for various process.

Their formation and uses are explained in this chapter. Chapter 3 - Metals and Non-Metals The chapter starts with physical properties of metals and ncert solutions class 10th chemistry chapter 4 chem. The parameters discussed are some physical properties, like melting and boiling points, physical state at room temperature, Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem ductility, malleability, Ncert Solutions Class 10th Chemistry Chapter 4 Inc solutiins strength.

The metals and clss �metals are differentiated on the basis of physical properties. But there are some 01th based on physical properties. For example iodine is non-metal but has lustrous appearance as metal. Mercury Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem is metal but liquid at room temperature. There are more such exceptions. Therefore, classification of metals and non-metals, are based on chemical properties.

Chemical reactions of metals with oxygen gas, water, acids and other metal salts are Ncert Solutions Class 10th Chemistry Chapter 4 Chem discussed sooutions. The reactions and chemsitry condition depends upon the reactivity series.

The metals on top of reactivity series are lcass and Potassium. They chemisfry vigorous reactions. Nature of metallic oxides is discussed. Generally Metal oxides are solutkons in nature. But, some of them like aluminum oxide and zinc oxide can be both acidic and basic and hence known as amphoteric oxides. After ncert solutions class 10th chemistry chapter 4 chem how such reactions Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem takes place is discussed.

Ionic bond formation is discussed. Such bond formation can be represented in two forms. Electrons jcert loosed by metals and gained by non-metals. One get positively charged and ncert solutions class 10th chemistry Ncert Solutions Class 10th Chemistry Chapter 4 Chem chapter 4 chem get negatively charged. They get attracted and a strong bond is formed.

The first one is electronic configuration. The bond formation is discussed through Bohr model. Another method is Lewis structure or electron-dot structure. The Ncert Solutions Class 10th Chemistry Chapter 4 Chem metals and non-metals are written with their symbol and dots.

Main points:

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Versatile Nature of Carbon. The two characteristic properties of carbon element which lead to the formation of large number of compounds :. Carbon atoms may be linked by single, double or triple bonds. Carbon can Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem bond with four carbon atoms, monovalent atoms, oxygen, nitrogen and sulphur. Electron Dot Structure of Saturated Hydrocarbons.

Names, molecular formulae and structure formulae of saturated hydrocarbons Alkanes :. Electron Dot Structure of Unsaturated Hydrocarbons. Names, molecular formulae and Ncert Solutions Class 10th Chemistry Chapter 4 Chem structure formulae of unsaturated hydrocarbons Alkenes and Alkynes :. Carbon Compounds on the Basis of Structure. Functional Groups. These are heteroatom. Homologous Series. Chemical Properties of Carbon Compounds. Alcohols can be converted to carboxylic acid in presence of oxidizing agent alkaline KMnO 4 potassium permangnate or acidic potassium dichromate.

Solution: When a mixture of oxygen and ethyne is burnt, it burns completely producing a blue flame. This blue flame is extremely hot which produced a very high temperature which is used for welding metals.

But the mixture of ethyne and air is not used for welding purposes because burning of ethyne in air produces a sooty flame, which is not enough to Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem melt metals for welding.

Question 10 What are oxidizing agents? Solution: Oxidizing agents are the substances that gain electrons in an redox reaction and whose oxidation number is reduced. Question 11 Explain the nature of the covalent Class Ncert 10th Chapter Solutions Chemistry Chem 4 bond using the bond formation of CH 3 Cl. Solution: CH 3 Cl methyl chloride is made up of one carbon atom, three hydrogen atoms and one chlorine atom.

Carbon atom has 4 valence electrons, each hydrogen Ncert Solutions Class 10th Chemistry Chapter 4 Chem atom has one valence electron, and a chlorine atom has 7 valence electrons. Carbon atom shares its four valence electrons with three hydrogen atoms and 1 chlorine atom to form methyl chloride as follows: From the above Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem reaction, in the dot structure of methyl chloride CH 3 Cl there are four pairs of shared electrons between carbon and other atoms.

Each pair of shared electrons constitutes one single covalent bond. So, methyl chloride has four single covalent bonds. Question 12 Draw the electron dot structures for- Solution:. Question 13 What is a homologous series?

Solution: Homologous series is a series of compounds with a similar general formula, possessing similar chemical properties due Ncert Solutions Class 10th Chemistry Chapter 4 Chem to the presence of the same functional group, and shows a gradation in physical properties as a result of increase in molecular size and mass. For example, methane has a lower boiling point than ethane since it Ncert Solutions Class 10th Chemistry Chapter 4 Chem has more intermolecular forces with neighbouring molecules.

This is because of the increase in the number of atoms making up the molecule. Question 14 How can ethanol and Ethanoic acid be differentiated on the basis Ncert Solutions Of Class 10th Geography Chapter 1 Research of their Ncert Solutions Class 10th Chemistry Chapter 4 Chem physical and chemical properties? Solution: i Ethanol has a pleasant smell whereas ethanoic acid has the smell of vinegar. Question 15 Why does micelle formation take place when soap is added to water? Will a micelle be formed in other solvents such as ethanol also?

Solution: Micelle formation takes place when soap is added to water. This is because when soap is added to water in which dirty clothes are soaked, the two parts of the soap molecule dissolves in two different mediums. The organic tail dissolves in the dirt, grime or grease and the ionic head dissolves in water.

When the clothes are rinsed or agitated, the dirt gets pulled 10th Chapter Class Ncert 4 Chem Solutions Chemistry Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem out of the clothes in the water by the soap molecule. In this way the soap does its cleaning work on dirty and grimy clothes or hands. The soap molecules actually form a closed structure because of mutual Ncert Solutions Class 10th Chemistry Chapter 4 Chem repulsion of the positively charged heads. This structure is called a micelle.

Question 16 Why are carbon and its compounds used as fuels for most applications? Solution: Carbon and its compounds are used as fuels for most Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem of the applications because they burn in air releasing a lot of heat energy. Question 17 Explain the formation of scum when hard water is treated with soap. Solution: The precipitate form of scum is formed when Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem soap is used for washing clothes. With hard water, a large amount of soap is wasted in reacting with the calcium and magnesium ions of hard water to form an insoluble precipitate.

The precipitate form formed by the action of hard water on soap, sticks to the clothes being washed and interferes with the cleaning ability of the additional soap.

This makes the cleaning of clothes difficult. Question 18 What change will you observe if you test soap with litmus paper red and blue? Solution: Soap is the salt of a strong base NaOH and a weak acid carboxylic acid , so a solution of soap in water is basic in nature. Being Ncert Solutions Class 10th Chemistry Class 10th Science Chapter 4 Ncert Solutions Sdn Chapter 4 Chem basic, a soap solution turns red litmus paper blue. Question 19 What is hydrogenation? Solution: It is a class of chemical reactions in which the net result is addition of hydrogen H 2 to unsaturated organic Ncert Solutions Class 10th Chemistry Chapter 4 Chem compounds such as alkenes, alkynes, etc.

Hydrogenation is widely applied to the processing of vegetable oils and fats. Complete hydrogenation converts unsaturated fatty acids to saturated ones. From the above hydrocarbons C 2 H 2 is an Ncert Solutions Class 10th Chemistry Chapter 4 Chem alkyne, whereas C 3 H 6 is an alkene. So, C 3 H 6 and C 2 H 2 will undergo addition reactions. Question 21 Give a test that can be used to differentiate chemically between butter and Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem cooking oil.

Solution: Bromine water test can be used to differentiate chemically between butter and cooking oil. Add bromine water to a little of cooking oil and butter taken in separate test tubes. Decolourising of bromine water Ncert Solutions Class 10th Chemistry Chapter 4 Chem by cooking oil unsaturated compound b. Butter saturated compound does not decolourise bromine water. Question 22 Explain the mechanism of the cleaning action of soaps. Solution: We all know that soap is used to remove dirt and Ncert Solutions Class 10th Chemistry Chapter 4 Chem and grime from substances.

Generally dirt and grime get stuck because they have an oily component, which is difficult to remove, by plain brushing or washing by water. A soap molecule has two parts, a head and Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem a tail i. A soap molecule has a tadpole like structure shown below. The organic part is water insoluble but is soluble in organic solvents or in oil or grease. The ionic part is soluble in water, Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem as water is a polar solvent. When soap is added to water in which dirty clothes are soaked, the two parts of the soap molecule dissolve in two different mediums.

When the clothes are rinsed or agitated, Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem the dirt gets pulled out of the clothes, by the soap molecule. In this way soap does its cleaning work on dirty and grimy clothes or hands. The micelle pulls out the dirt and grime more efficiently. Question Ncert Solutions Class 10th Chemistry Chapter 4 Chem 23 Would you be able to check if water is hard by using a detergent?

Solution: We would not be able to check whether a sample of water is hard by using a detergent, this is Ncert Solutions Class 10th Chemistry Chapter 4 Chem because a detergent forms lather easily even with hard water. Question 24 People use a variety of methods to wash clothes. Solution: It is necessary to shake to get clean clothes because the soap micelles, which entrap oily Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem or greasy particles on the surface of dirty clothes, have to be removed from their surface.

When the clothes which are wet by soap solution are beaten, the micelles containing oil or greasy dirt particles get removed Ncert Solutions Class 10th Chemistry Chapter 4 Chem Class Chem Solutions 10th Ncert Chapter 4 Chemistry from the surface of dirty clothes and go into water and the dirty cloth gets cleaned.

Question 1. Buckminster fullerene is an allotropic form of [NCERT Exemplar] a phosphorus b sulphur c carbon d tin Answer: c Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Buckminster fullerene is an allotrope of carbon containing clusters of 60 carbon atoms joined together to form spherical molecules.

Its formula isC 60 C-sixty. It is a dark solid at room temperature and as compared to another Ncert Solutions Class 10th Chemistry Chapter 4 Chem allotropic form of carbon diamond and graphite , it is neither very hard nor soft.

Question 2. Question 3. In which of the following. Question 4. The long hydrocarbon chain is hydrophobic water repelling and ionic portion is Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem hydrophilic water attracting. Question 5. Its formula is C 6 H 6. In structure b formula is C 6 H In structure a double bond is not at alternate position. Question 6. Which of the following is Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem 4 Chemistry Chapter Solutions Class 10th Ncert Chem not a straight chain hydrocarbon?

Rest three are straight chain hydrocarbons. Question 7. Which among the following are unsaturated hydrocarbons? Both ii and iv structures have triple and double carbon-carbon bonds respectively.

Question 8. Chlorine reacts with Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem saturated hydrocarbons at room temperature in the [NCERT Exemplar] a absence of sunlight b presence of sunlight c presence of water d presence of hydrochloric acid Answer: b Chlorine reacts with saturated hydrocarbon at room temperature in the Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem presence of sunlight.

Question 9. In the above given reaction, alk. Question Butanone is a four carbon compound with functional group [NCERT Exemplar] a carboxylic acid b aldehyde c ketone d alcohol Answer: c In butanone, the functional group is. Which of the following does not belong to the same homologous series?

Thus, C 4 H 10 is the next member of this series. So, C 4 H 8 does not belong to the Ncert Solutions Class 10th Chemistry Chapter 4 Chem homologous series. Which of the following are correct structural isomers of butane? Since, molecular formula is same, only structures are different. So, i and iii are isomers while structures ii and iv have molecular formulaC 4 H Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem 8. In a soap micelle, the soap molecules are arranged readily with hydrocarbon ends directed towards the centre and ionic ends directed outwards.

Oils on treating with hydrogen in the presence of palladium or nickel catalyst form Ncert Solutions Class 10th Chemistry Chapter 4 Chem fats. This is an example of [NCERT Exemplar] a addition reaction b substitution reaction c displacement reaction d oxidation reaction Answer: a Oils are unsaturated compounds containing double bonds. Addition reactions are characteristic property of unsaturated hydrocarbons. The Ncert Solutions Class 10th Chemistry Chapter 4 Chem given reaction is an example of addition reaction.

Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e. Atomic number of Ne is Its electronic K L configuration is 2,8.

Therefore, after the formation of four bonds, carbon attains the electronic configuration of neon. Mineral acids are stronger acids than carboxylic acids because i mineral acids are completely ionised. While cooking, if the bottom of the Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem vessel is getting blackened on the outside, it means that [NCERT Exemplar] a food is not cooked completely b the fuel is not burning completely c fuel is wet d fuel is burning completely Answer: b The unburnt particles of the fuel present in smoke blacken the vessel from outside.

The reaction in which a reagent partially or completely replaces atom or group of atoms from saturated compounds or A are called B reaction. Here, A and B respectively refers to a unsaturated compounds, addition b unsaturated compounds, substitution c benzene, substitution d alkene, addition Answer: c Substitution reaction is usually given by saturated compounds and benzene.

Unsaturated compounds usually give addition Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem reactions. Which structure do the ester compounds in the table have in common? Answer: d All esters have the common structure of carboxylic group represented by the suffix date.

Carbon is an important constituent of the foods, fuels, household and commercial articles, textile fabrics, perfumes, explosives, dyes, war gases etc. Allotropes of Carbon An element, in different forms, having different physical properties but similar chemical properties is known as allotropes of that element.

Carbon Ncert Solutions Class 10th Chemistry Chapter 4 Chem has three well known allotropes which are graphite, diamond and buck minster fullerene. Fullerene: This is another class of carbon allotropes. The first one to be identified was C which has carbon atoms arranged in the shape Ncert Solutions Class 10th Chemistry Chapter 4 Chem of a football. Since this looked like the geodesic dome designed by the US architect Buckminster Fuller, the molecule was named fullerene.

Unsaturated hydrocarbons: Compounds consist of a single, double or triple bond between carbon-carbon atoms.

Cycloalkanes: Ncert Solutions Class 10th Chemistry Chapter 4 Chem These hydrocarbons possess one or multiple carbon rings. The hydrogen atom is attached to the carbon ring. Aromatic hydrocarbons: These are also called as arenes. Arenes are compounds which consist of at least one aromatic ring. Soaps: Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ester of higher fatty acids is called soap. It is manufactured by the reaction of caster of higher fatty acid with sodium hydroxide. The sodium salt so formed has cleansing property.

Detergents: Soap cannot form lather in hard Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem water. To overcome this problem, detergents were introduced. Detergent is also known as soapless soap. Detergent is sodium salt of benzene sulphonic acid or sodium salt of long chain alkyl hydrogen sulphate.

Oxidation Reactions: Though combustion is Ncert Solutions Class 10th Chemistry Chapter 4 Chem generally an oxidation reaction, not all oxidation reactions are combustion reactions. Oxidation is also carried out by using oxidizing agents Oxidants. Addition reactions: Unsaturated organic compounds, like alkenes and alkynes, undergo addition reactions to become saturated in Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem nature. Substitution reactions are single displacement reactions.

If you have any query regarding this article or NCERT Solutions for Class 10 Science, leave your comments in the comment section below and we will get back to you Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem as soon possible. Answer: Question 2 What would be electron dot structure of sulphur which is made up of eight atoms of sulphur.

Answer: Page Number: 68 � 69 Question 1 How many structural isomers can you Ncert Solutions Class 10th Chemistry Chapter 4 Chem Ncert Solutions Class 10th Chemistry Chapter 4 Chem draw for pentane? Answer: i Bromoethane ii Methanal iii 1 � Hexyne Page Number: 71 Question 1 Why is the conversion of ethanol to ethanoic acid an oxidation reaction? Page Number: 74 Question 1 How would you Ncert Solutions Class 10th Chemistry Chapter 4 Chem distinguish experimentally between an alcohol and a carboxylic acid? Answer: Differences between alcohol and carboxylic acid Test Alcohol Carboxylic acid i Litmus test No change in colour.

Blue litmus solution turns red. Does not happen so. Page Number: 76 Question 1 Would you be able to check if water is hard by using a detergent? Answer: Question 6 What is a homologous series? Cooking oil decolourises bromine water showing that it is an unsaturated compound.

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