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Which bromide reacts fastest by the SN1 mechanism?
ACH3CH2CH2CH2Br
B(CH3)2CHCH2Br
CCH3CH2CH(Br)CH3
D(CH3)3CBr
Answer & Solution
Correct answer: D. (CH3)3CBr
Tertiary butyl bromide forms the most stable 3° carbocation, so it ionises fastest.
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