Explore topic-wise MCQs in Chemistry.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is true regarding the boiling point?

A. cannot say
B. n-Octane is greater than isooctane
C. n-Octane is less than isooctane
D. n-Octane is equal to isooctane
Answer» C. n-Octane is less than isooctane
Discussion
2.

Methane cannot be prepared by the reduction of alkenes or alkynes.

A. true
B. false
Answer» B. false
Discussion
3.

In the combustion reaction of alkanes if Ethane is used how many moles of oxygen are required?

A. 3
B. 4
C. 7
D. 3.5
Answer» E.
Discussion
4.

Which of the following is not a process of halogenation of alkanes?

A. acylation
B. chlorination
C. bromination
D. iodination
Answer» B. chlorination
Discussion
5.

Alkynes are __________ in nature and first four members are __________ gases.

A. polar, white
B. nonpolar, colourless
C. polar, colourless
D. nonpolar, white
Answer» C. polar, colourless
Discussion
6.

Corey-House synthesis is used for alkanes having __________ number of carbon atoms.

A. 6
B. 3
C. 2
D. 4
Answer» C. 2
Discussion
7.

Which of the following reaction is used to increase the length of the carbon chain?

A. Wolff Kishnn s reaction
B. Clemmensen reduction
C. Kolbe s electrolysis
D. Wurtz reaction
Answer» E.
Discussion
8.

How many carbons are there in the product of a decarboxylation reaction when compared with the reactant?

A. two carbons more
B. one carbon more
C. one carbon less
D. an equal number of carbons
Answer» D. an equal number of carbons
Discussion
9.

Is of hydrogenation is __________ on steric crowding.

A. may be related to
B. dependent
C. independent
D. not related to
Answer» C. independent
Discussion
10.

Alkanes are also known as __________

A. alkenes
B. paraffin
C. aromatic
D. alicyclic
Answer» C. aromatic
Discussion