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Tautomerism

Arrange the c...

Question

Arrange the carbanions,
$(C H_{3})_{3} ¯ C, ¯ C C l_{3}, (C H_{3})_{2} ¯ C H, C_{6} H_{5} ¯ C H_{2}$ in order of their decreasing stability :

(C H_{3})_{2} ¯ C H > ¯ C C l_{3} > C_{6} H_{5} ¯ C H_{2} > (C H_{3})_{3} ¯ C

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¯ C C l_{3} > C_{6} H_{5} ¯ C H_{2} > (C H_{3})_{2} ¯ C H > (C H_{3})_{3} ¯ C

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(C H_{3})_{3} ¯ C > (C H_{3})_{2} ¯ C H > C_{6} H_{5} ¯ C H_{2} > ¯ C C l_{3}

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C_{6} H_{5} ¯ C H_{2} > ¯ C C l_{3} > (C H_{3})_{3} ¯ C > (C H_{3})_{2} ¯ C H >

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Solution

The correct option is B $¯ C C l_{3} > C_{6} H_{5} ¯ C H_{2} > (C H_{3})_{2} ¯ C H > (C H_{3})_{3} ¯ C$

Hence, the correct answer is option (b).

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Similar questions

(C H_{3})_{3} ¯ C, ¯ C C l_{3}, (C H_{3})_{2} ¯ C H, C_{6} H_{5} ¯ C C H_{2}

(C H_{3})_{3} ¯ ¯¯ ¯ C, ¯ ¯¯ ¯ C C l_{3}, (C H_{3})_{2} ¯ ¯¯ ¯ C H, C_{6} H_{5} ¯ ¯¯ ¯ C H_{2}

(C H_{3})_{3} C^{-}, C l_{3} C^{-}, (C H_{3})_{2} H C^{-}, C_{6} H_{5} H_{2} C^{-}

H_{3} C - C \equiv C^{-}

H - C \equiv C^{-}

H_{3} C - C H_{2}^{-}

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