NEETChemistry-Organic Chemistry
NEET Chemistry Carbanions MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Arrange the following carbanions in order of their decreasing stability.
(i) H₃C−C≡C⁻
(ii) H−C≡C⁻
(iii) H₃C−CH₂⁻
A
i > ii > iii
B
ii > i > iii
C
i > iii > ii
D
iii > i > ii
Correct Answer
Option A
Detailed Explanation
The stability of carbanions is influenced by the hybridization of the carbon atom bearing the negative charge. sp-hybridized carbanions (ii) are more stable than sp² (i) and sp³ (iii) due to higher s-character.
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