Which reagent will form a salt with but-1-yne but show no such reaction with but-2-yne?
A
Ammoniacal 
B
(conc.) C
in 
D
(cold, dilute)
Text Solution
Verified by ExpertsThe correct answer is:
A
But-1-yne is a terminal alkyne with an acidic sp-C-H; terminal alkynes form metal acetylide salts (e.g., 
) whereas internal alkynes like but-2. yne lack that acidic H.
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