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Question

The stability of the carbocation decreases in the order:


A
R2CH+>R3C+>RCH+2>CH+3
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B
R3C+>R2CH+>RCH+2>CH+3
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C
CH+3>R2CH+>RCH+2>R3C+
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D
CH+3>RCH+2>R2CH+>R3C+
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Solution

The correct option is B $$R_{3}C^{+}>R_{2}CH^{+}>RCH_{2}^{+}>CH_{3}^{+}$$
The carbocation with a maximum number of alkyl groups (-R) is more stable because of $$+I$$ effect. Order of stability of carbocation is $$3^{o}> 2^{o}> 1^{o}>$$ methyl . And also $$3^o$$ carbocation has the highest hyperconjugative structures.

Chemistry

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