Explore topic-wise MCQs in Chemistry Questions and Answers.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Iodomethane reacts faster than bromomethane in SN2 reaction with OH–?

A. True
B. False
Answer» B. False
2.

The rate of the following reaction depends on the concentration of which reactant(s)/?

A. tert-Butyl bromide
B. Hydroxide ion
C. Both tert-Butyl bromide and hydroxide ion
D. None of the reactants
Answer» B. Hydroxide ion
3.

Which of the following will have the highest reactivity towards SN2 reaction, where R=methyl group?

A. R-F
B. R-Cl
C. R-Br
D. R-I
Answer» E.
4.

A haloalkane is known to have an SN2 reaction rate 30 times faster than that of ethyl bromide. Identify the haloalkane.

A. Methyl bromide
B. Isopropyl bromide
C. tert-Butyl bromide
D. neo-Pentyl bromide
Answer» B. Isopropyl bromide
5.

Which of the following statements in incorrect regarding SN2 mechanisms?

A. The rate of the reaction depends on the concentration of both reactants
B. The complete mechanism takes place in a single step
C. The transition state is stable
D. There is inversion of configuration
Answer» D. There is inversion of configuration