NEW ERA CHEMISTRY Textbook for Class X>Chapter 4 - Carbon and its Compounds>MOCK TEST>Q 19

EASY

10th CBSE

IMPORTANT

Earn 100

Why is the conversion of ethanol into ethanoic acid is an oxidation reaction?

Important Questions on Carbon and its Compounds

MEDIUM

10th CBSE

IMPORTANT

NEW ERA CHEMISTRY Textbook for Class X>Chapter 4 - Carbon and its Compounds>MOCK TEST>Q 20

A compound '

X

' has molecular formula

{CH}_{4}

. lt undergoes substitution reaction readily than addition reaction. It burns with blue flame. It is present in biogas. Identify '

X

' and give the balanced equation for its combustion and substitution reaction with

{Cl}_{2}

in the presence of sunlight.

HARD

10th CBSE

IMPORTANT

NEW ERA CHEMISTRY Textbook for Class X>Chapter 4 - Carbon and its Compounds>MOCK TEST>Q 20

Esters are sweet smelling substances and used in making perfumes. Suggest some activity and the reaction involved for the preparation of an ester with well labelled diagram.

MEDIUM

10th CBSE

IMPORTANT

NEW ERA CHEMISTRY Textbook for Class X>Chapter 4 - Carbon and its Compounds>MOCK TEST>Q 20

Draw the possible isomers of the compound with molecular formula

C_{3} H_{6} O

and also give their structures and chemical name.

HARD

10th CBSE

IMPORTANT

NEW ERA CHEMISTRY Textbook for Class X>Chapter 4 - Carbon and its Compounds>MOCK TEST>Q 20

A salt ''

X

" is formed and a gas is evolved when ethanoic acid reacts with sodium hydrogen carbonate. Name the salt '

X

’ and the gas evolved. Describe an activity and draw the diagram of the apparatus to prove that the evolved gas is the one which you have named. Also, write chemical equation of the reaction involved.

MEDIUM

10th CBSE

IMPORTANT

NEW ERA CHEMISTRY Textbook for Class X>Chapter 4 - Carbon and its Compounds>MOCK TEST>Q 21

What are the advantages of using synthetic detergents over soaps for washing purposes?

HARD

10th CBSE

IMPORTANT

NEW ERA CHEMISTRY Textbook for Class X>Chapter 4 - Carbon and its Compounds>MOCK TEST>Q 21

An organic compound