Carbon and its Compounds Assertion and Reason Questions
Carbon and its Compounds Assertion and Reason Questions has been provided by JEE Wallah to help students score good marks in their CBSE and Competitive exams. Assertion and Reason Questions for Class 10 Science Chapter 4 Carbon and Its Compounds is very important as these questions are asked in the Board Exam. Assertion and Reason Questions for Class 10 Carbon and its compounds will help you check whether you have grasped the conceptual learning or not.
Carbon and its Compounds Assertion and Reason Questions with Answers
Are you looking for Assertion and Reason Questions for Class 10 Science Chapter 4 Carbon and its Compounds so that you can focus on your study to better perform in the upcoming CBSE Class 10 Board examination? If so, you are at the right place, our subject experts have prepared a set of Carbon and its Compounds Assertion and Reason Questions with answers which will boost up your preparation level.
Despite the fact that Assertion & Reason Type Questions on Carbon and its Compounds Class 10 Science Chapter 4 can be solved only by having proper conceptual knowledge, we are giving you some tips that can help you solve Assertion and Reasoning questions for Class 10 Science Carbon and its Compounds. The tips are : Read the Question Carefully; Analyze the Assertion statement; Analyze the Reason statement; Check if the Reason Statement Explains the Assertion Statement.
Our last tip is : Practice Carbon and its Compounds Assertion and Reason Questions with answers as much as possible.
Assertion and Reason Questions for Class 10 Science Chapter 4 Carbon and Its Compounds
1.
(A) - Carbon is the only element that can form large number of compounds.
(R) - Carbon is tetravalent and shows the property of catenation.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (d) A is false but R is true.
2.
(A) - If the first member of a homologous series is methanal, its third member will be propanal.
(R) - All the members of a homologous series show similar chemical properties.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (b) Both A and R are true and R is not the correct explanation of A.
3.
(A) - Diamond and graphite are allotropes of carbon.
(R) - Some elements can have several different structural forms while in the same physical state. These form are called allotropes.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (a) Both A and R are true and R is the correct explanation of A.
4.
(A) - Soaps are not suitable for washing purpose when water is hard.
(R) - Soaps have relatively weak cleansing action.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (b) Both A and R are true and R is not the correct explanation of A.
5.
(A) - Carbon compounds can form chain, branched and ring structures.
(R) - Carbon exhibits the property of catenation.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (a) Both A and R are true and R is the correct explanation of A.
6.
(A) - Carbon monoxide is extremely poisonous in nature
(R) - Carbon monoxide is formed by complete combustion of carbon.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (c) A is true but R is false.
7.
(A) - Cooking oil decolourises bromine water.
(R) - Cooking oil is a saturated compound.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (b) Both A and R are true and R is not the correct explanation of A.
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8.
(A) - In a candle, wax vapours burn in sufficient supply of oxygen, which leads to blue flame.
(R) - When the oxygen supply is sufficient, then fuels burn completely producing a blue flame.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (a) Both A and R are true and R is the correct explanation of A.
9.
(A) - Alkanes give addition reaction.
(R) - Addition reactions are a characteristic property of unsaturated hydrocarbons.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (d) A is false but R is true.
10.
(A) - Saturated hydrocarbons are chemically less reactive.
(R) - All the valencies of carbon atom are satisfied by single covalent bonds.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (a) Both A and R are true and R is the correct explanation of A.
11.
(A) - n-butane and iso-butane are examples of isomers.
(R) - Isomerism is possible only with hydrocarbons having 4 or more carbon atoms.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (b) Both A and R are true and R is not the correct explanation of A.
12.
(A) - Diamond and graphite do not have the same crystal structure.
(R) - Diamond is crystalline while graphite is amorphous.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (c) A is true but R is false.
Also Read : Life Processes Class 10 Science Assertion Reason Questions
13.
(A) - Graphite is soft and slippery to touch.
(R) - Graphite has sheet like layered structure.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (a) Both A and R are true and R is the correct explanation of A.
14.
(A) - Both aldehydes and ketones contain carbonyl group.
(R) - In aldehydes, the functional group is attached to at least one hydrogen atom
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (b) Both A and R are true and R is not the correct explanation of A.
15.
(A) - In alkanes, alkenes and alkynes the valency of carbon is always four.
(R) - All hydrocarbons except alkanes contain double bonds.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (c) A is true but R is false
16.
(A) - Graphite is a good conductor of electricity.
(R) - It has one free valence electron.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (a) Both A and R are true and R is the correct explanation of A.
17.
(A) - The functional group present in alcohols is - OH.
(R) - It is the same group as present in water, hence water and alcohol have similar properties.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (c) A is true but R is false.
18.
(A) - Ethanol is first member of the alcohol homologous series.
(R) - A homologous series can be represented by a general formula.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (d) A is false but R is true.
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19.
(A) - Covalent compounds are generally poor conductor of electricity.
(R) - They consist of molecules and not ions which can transfer charge.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (a) Both A and R are true and R is the correct explanation of A.
20.
(A) - Carbon possesses property of catenation.
(R) - Carbon atoms form double as well as triple bonds during catenation.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer
- (b) Both A and R are true and R is not the correct explanation of A.
We hope that Carbon and its Compounds Assertion and Reason Questions will help you in a variety of ways. Solving the Assertion and Reason Questions for Class 10 Science Chapter 4 Carbon and Its Compounds will help you boost your confidence level in the subject overall. If you have any query, please feel free to reach us !