Question:
The rate of reaction of t-butyl bromide and NaOH in water depends on the concentration of:
The rate of reaction of t-butyl bromide and NaOH in water depends on the concentration of:
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For SN1 reactions, rate = k[alkyl halide]; for SN2, rate = k[alkyl halide][nucleophile].
Updated On: Jun 26, 2026
- Both t-butyl bromide & NaOH
- NaOH
- Independent of concentration
- t-butyl bromide
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The Correct Option is D
Solution and Explanation
Step 1: Recognize reaction type.
t-Butyl bromide reacts via SN1 mechanism due to tertiary carbon.
Step 2: Rate determining step.
Rate-determining step is formation of carbocation → depends only on t-butyl bromide concentration.
Step 3: NaOH effect.
Concentration of NaOH does not affect the rate in SN1.
Step 4: Overall rate law.
\[ \text{Rate} = k[\text{t-butyl bromide}] \]
Step 5: Conclusion.
\[ \boxed{\text{Rate depends only on t-butyl bromide concentration}} \]
t-Butyl bromide reacts via SN1 mechanism due to tertiary carbon.
Step 2: Rate determining step.
Rate-determining step is formation of carbocation → depends only on t-butyl bromide concentration.
Step 3: NaOH effect.
Concentration of NaOH does not affect the rate in SN1.
Step 4: Overall rate law.
\[ \text{Rate} = k[\text{t-butyl bromide}] \]
Step 5: Conclusion.
\[ \boxed{\text{Rate depends only on t-butyl bromide concentration}} \]
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