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  • Help me please, - Organic Chemistry - some Basic principles and techniques - NEET-2

Arrange the following in increasing order of stability

(A) \left ( CH_{3} \right )_{2}\overset {\bigoplus }{C}-CH_{2}CH_{3}

(B) }\left ( CH_{3} \right )_{3}-\overset {\bigoplus }{C}

(C) \left ( CH_{3} \right )_{2}-\overset {\bigoplus }{C}H

(D) \left ( CH_{3} \right )-\overset {\bigoplus }{C}H_{2}

(E) \overset {\bigoplus }{C}H_{3}

  • Option 1)

    E < D < C < B < A

  • Option 2)

    E < D < C < A < B

  • Option 3)

    D < E < C < A < B

  • Option 4)

    A < E < D < C < B

 

Answers (1)

best_answer

As we learnt in

Stability of Carbocation -

Electron donating group stabilises carbocation

- wherein

Inductive effect

Hyper Conjugation resonance

 

 Greater the number of electron donating alkyl group (+I) effect, greater is the stability of carbocation + I effect is in the order.

E < D < C < A < B

 


Option 1)

E < D < C < B < A

Incorrect

Option 2)

E < D < C < A < B

Correct

Option 3)

D < E < C < A < B

Incorrect

Option 4)

A < E < D < C < B

Incorrect

Posted by

divya.saini

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