Most stable carbocation formed from ${(C H_{3})}_{3} C - B r, {(C_{6} H_{5})}_{3} C B r, {(C_{6} H_{5})}_{2} C H B r$ and $C_{6} H_{5} C H_{2} B r$ would be:

C_{6} H_{5} \oplus C H_{2}

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{(C H_{3})}_{3} \oplus C

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{(C_{6} H_{5})}_{3} \oplus C

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{(C_{6} H_{5})}_{2} \oplus C H

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Solution

The correct option is C ${(C_{6} H_{5})}_{3} \oplus C$
Most stable carbocation formed will be ${(C_{6} H_{5})}_{3} \oplus C$ obtained from the hydrolysis of ${(C H_{3})}_{3} C - B r, {(C_{6} H_{5})}_{3} C B r, {(C_{6} H_{5})}_{2} C H B r$ .
This is because triphenyl methyl carbocation ${(C_{6} H_{5})}_{3} C^{+}$ is highly stable due to delocalization of positive charge on three phenyl groups.
${(C_{6} H_{5})}_{3} C B r \to {(C_{6} H_{5})}_{3} C^{+}$

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