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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