Chemistry·MCQ Practice

Mechanism of Substitution Reactions — MCQ Practice

NEET UG

Version 1Updated 22 Mar 2026

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Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.

Q1easy

Which of the following alkyl halides would be most reactive towards S $_N$ 1 reaction?

Q2medium

Which of the following conditions would favor an S $_N$ 2 reaction for a primary alkyl halide?

Q3hard

When (R)-2-bromobutane reacts with sodium hydroxide in acetone, what is the major product and its stereochemistry?

Q4easy

Which of the following is the best leaving group?

Q5medium

Which of the following statements about S $_N$ 1 reactions is INCORRECT?

Q6medium

Which of the following nucleophiles would be most effective in an S $_N$ 2 reaction in a protic solvent?