AIPMT PRELIMS2008Chemistry-Organic Chemistry

AIPMT PRELIMS 2008 Chemistry Acidity and Basicity MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Base strength of -

(i) H₃C⊖CH₂

(ii) H₂C⊖CH and

(iii) H⊖C≡C

is in the order of -

A

(i) > (iii) > (ii)

B

(ii) > (iii) > (i)

C

(iii) > (i) > (ii)

D

(ii) > (i) > (iii)

Correct Answer

Option B

Detailed Explanation

Base strength is inversely related to the stability of the conjugate acid. Alkynes have the most stable conjugate acid, making them the weakest base.

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