Explore topic-wise MCQs in Organic Chemistry.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

How many monomer units of ethylene are present in the given polyethylene formed by?

A. 1
B. 2
C. 3
D. 4
Answer» E.
Discussion
2.

Which of the following happens in termination step of the free radical polymerisation?

A. decomposition of initiator
B. addition of free radical to monomer
C. addition of monomer molecules to the growing chains
D. disproportionation
Answer» E.
Discussion
3.

Which of the following happens in propagation step of the free radical polymerisation?

A. Decomposition of initiator
B. Renewal of inhibitor
C. Addition of monomer molecules to the growing chains
D. Disproportionation
Answer» C. Addition of monomer molecules to the growing chains
Discussion
4.

What is the name for polymers with Z groups only on one side of the carbon chain?

A. Enatiometric
B. Atactic
C. Syndiotactic
D. Isotactic
Answer» E.
Discussion
5.

Which of the following reagents may be used to initiate radical polymerization of styrene?

A. HCl
B. Peroxides
C. Hydroxide ion
D. BF<sub>3</sub>
Answer» C. Hydroxide ion
Discussion
6.

Which of the following happens in initiation step of the free radical polymerisation?

A. Decomposition of initiator
B. Renewal of inhibitor
C. Addition of monomer molecules to the growing chains
D. Disproportionation
Answer» B. Renewal of inhibitor
Discussion
7.

Why is vinyl polymerization also known as addition polymerization?

A. monomers are unsaturated compounds
B. it is a chain reaction
C. most monomers contain (CH<sub>2</sub>=CH─) group
D. it proceeds through radical
Answer» D. it proceeds through radical
Discussion
8.

Which of the following is an initiator molecule in the free radical polymerisation?

A. Benzoyl peroxide
B. Sulphuric acid
C. Potassium permanganate
D. Chromium oxide
Answer» B. Sulphuric acid
Discussion