STANDARDChemistry-Hydrocarbons
STANDARD Chemistry Alkynes MCQ Question
Type: MCQ-conceptual-Medium-Class 11
The correct trend of acidic nature of the following alkynes is
A
CH≡CH > CH₃−C≡CH > CH₃C≡CCH₃
B
CH₃−C≡CH > CH≡CH > CH₃C≡CCH₃
C
CH₃C≡CCH₃ > CH₃−C≡CH > CH≡CH
D
CH≡CH > CH₃C≡CCH₃ > CH₃C≡CH
Correct Answer
Option A
Detailed Explanation
The acidity of alkynes is due to the s-character of the sp hybridized carbon. The more s-character, the more acidic the alkyne. Terminal alkynes (CH≡CH and CH₃−C≡CH) are more acidic than internal alkynes (CH₃C≡CCH₃).
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