HydrocarbonsEasy
Question
The hydrocarbon which can react with sodium in liquid ammonia is
Options
A.CH3CH2CH2C ≡ CCH2CH2CH3
B.CH3CH2C ≡ CH
C.CH3CH = CHCH3
D.CH3CH2C ≡ CCH2CH3
Solution
CH3CH2 - C ≡ CH 
CH3CH2C ≡ -CNa+
It is a terminal alkyne, having acidic hydrogen.
Note: Solve it as a case of terminal alkynes, otherwise all alkynes react with Na in liq. NH3.
CH3CH2C ≡ -CNa+It is a terminal alkyne, having acidic hydrogen.
Note: Solve it as a case of terminal alkynes, otherwise all alkynes react with Na in liq. NH3.
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