SN2 Reaction Mechanism Quiz
Test your understanding of SN2 reactions, their mechanisms, and key characteristics in organic chemistry.
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Quiz Questions & Answers
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Question 1: What is the stereochemical outcome of an SN2 reaction?
Retention of configuration
Racemic mixture
Inversion of configuration
No stereochemical change
Question 2: Which type of substrate is MOST favorable for SN2 reactions?
Aromatic halide
Tertiary alkyl halide
Primary alkyl halide
Vinylic halide
Question 3: What is the rate law for an SN2 reaction?
Rate = k[nucleophile][substrate]
Rate = k[nucleophile]
Rate = k[substrate]²
Rate = k[substrate]
Question 4: Which solvent type best promotes SN2 reactions?
Protic polar solvents
Any solvent works equally well
Aprotic polar solvents
Nonpolar solvents
Question 5: What happens to the carbon undergoing substitution during an SN2 reaction?
It becomes sp² hybridized
It maintains sp³ hybridization
It becomes sp hybridized
It passes through a trigonal bipyramidal transition state
Question 6: How does increasing the size of the nucleophile affect SN2 reaction rates?
Decreases the rate
Only affects product yield
Has no effect on rate
Increases the rate
Question 7: What type of energy profile characterizes an SN2 reaction?
Multiple transition states
Single transition state
No energy barrier
Two-step with intermediate
Question 8: Which factor does NOT promote SN2 reactions?
Good leaving group
Protic solvent
Primary substrate
Strong nucleophile