Which of the following carbocation would have the greatest stability?

{C H}_{3} - S - + C H_{2}

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{({C H}_{3})}_{2} N + C H_{2}

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{C H}_{3} O + C H_{2}

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F + C H_{2}

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Solution

The correct option is B ${({C H}_{3})}_{2} N + C H_{2}$
Carbocations are stabilized by neighboring carbon-carbon multiple bonds, neighboring carbon atoms and by adjacent lone pairs.
Nitrogen lone pair stabilises the positive charge to the most through resonance.

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