A tertiary butyl carbocation is more stable t | vedclass

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Question

(A) The tertiary butyl carbocation $( (CH_3)_3C^+ )$ has $9$ $\alpha$-hydrogens,whereas the secondary butyl carbocation $( CH_3CH^+CH_2CH_3 )$ has $5$

Vedclass · Accepted Answer

Hyperconjugation

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(A) The tertiary butyl carbocation $( (CH_3)_3C^+ )$ has $9$ $\alpha$-hydrogens,whereas the secondary butyl carbocation $( CH_3CH^+CH_2CH_3 )$ has $5$ $\alpha$-hydrogens.Stability of carbocations is directly proportional to the number of hyperconjugative structures,which in turn is determined by the number of $\alpha$-hydrogens.Since the tertiary butyl carbocation has more $\alpha$-hydrogens,it is more stable due to hyperconjugation.

$A$ tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following?

Similar Questions

Correct order of stability is

Consider the following compounds:
$(I)$ $(CH_3)_3C-CH^{\bullet}-C_6H_5$
$(II)$ $(C_6H_5)_3C^{\bullet}$
$(III)$ $2$-methylbicyclo$[2.2.1]$hept$-2-$yl radical (as shown in the image)
Hyperconjugation occurs in:

Which of the following intermediates is more stable?

Which of the following is the least stable carbocation?

The stability of the following carbocations decreases in the order:

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