Assertion : HC ≡ C is more stable than H2C = CH. Reason : HC ≡C- has more s-character than H2C = CH-
Assertion : HC ≡ C is more stable than H2C = CH.
Reason : HC ≡C- has more s-character than H2C = CH-
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not correct explanation of A
(c) A is true but R is false
(d) A and R are false
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Correct option (a) Both A and R are true and R is the correct explanation of A
Explanation:
HC ≡ C- has 50% s-character and H2C = CH- has 33% s-character. Stability of carbanions increases with an increase in the s-character at the carbanion. So HC ≡ C- is more stable than H2C = CH- .
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