Question

Number of acidic hydrogen atoms in but-1-yne is

Answer 1

2 acidic hydrogen atoms r there in but _1_ yne

Answer 2

Answer:

1

Explanation:

In 1 butyne the terminal C atom is sp hybridised which means higher s character and more electronegativity. Therefore the Conjugate base thus formed has a lone pair on sp hybridised C which is stable.

So there is only 1 H which is acidic as the other H are attached to a sp³ hybridised C.

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