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Question
How many carbocations given below are less stable than sec. butyl carbocation ?
T-butyl carbocation, Benzyl carbocation, Allyl carbocation, Cyclopropenyl cation, Tropylium cation, n-butyl carbocation, n-Propyl carbocation, cyclopropylmethyl carbocation.
How many carbocations given below are less stable than sec. butyl carbocation ?
T-butyl carbocation, Benzyl carbocation, Allyl carbocation, Cyclopropenyl cation, Tropylium cation, n-butyl carbocation, n-Propyl carbocation, cyclopropylmethyl carbocation.
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Solution
The correct option is B 2
n-butyl carbocation, n-Propyl carbocation are less stable than sec. butyl carbocation. Because all other carbocations are stabilized by either resonance(dancing resonance), hyperconjugation or inductive effects.
n-butyl carbocation, n-Propyl carbocation are less stable than sec. butyl carbocation. Because all other carbocations are stabilized by either resonance(dancing resonance), hyperconjugation or inductive effects.
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