NEET | 2017Carboxylic Acid and Acid DerivativesHard

Question

Which one is the correct order of acidity ?

Options

A.

CH ≡CH > CH3 –- C ≡ CH > CH2 = CH2 > CH3 -– CH3

B.

CH≡CH > CH2 = CH2 > CH3 - C ≡CH > CH3 - CH3

C.

CH3 - CH3 > CH2 = CH2 > CH3 - C ≡CH > CH ≡ CH

D.

CH2 = CH2 > CH3 - CH = CH2 > CH3 –- C≡CH > CH≡CH

Solution

Correct order of acidic strength ⇒CH ≡CH > CH3 - C≡CH > CH2 = CH2 > CH3 - CH3
acc. to EN and Inductive effect.

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