Organic Chemistry Some Basic Principles and Techniques - Result Question 35
####41. The most stable carbocation, among the following, is
[NEET Odisha, 2019]
(a) $CH_3-CH_2-\stackrel{\oplus}{C} H$
(b) $(CH_3)_3 C-\stackrel{\oplus}{C} H-CH_3$
(c) $CH_3-CH_2-CH-CH_2-CH_3$
(d) $CH_3-\stackrel{\oplus}{C} H-CH_2-CH_2-CH_3$
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Solution:
- (d) Stability of carbocation $\propto$ No. of $\alpha-H$
Among the given carbocations,
$\stackrel{\alpha-H}{C} H_3-\stackrel{\oplus}{C} H-\stackrel{\alpha-H}{C} H_2-CH_2-CH_3$ is the most stable carbocation $(5 \alpha-H)$
