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Acidic Nature vs Percentage S Characters

Number of aci...

Question

Number of acidic hydrogen atoms in 1-Butyne is:

A

1

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B

2

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C

3

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D

4

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Solution

The correct option is A 1
$H C \equiv C + C H_{2} - C H_{3}$ 1-Butyne
Acidic hydrogen is where hydrogen can easily form $H^{+}$ . Hydrogen attached to triple bonded carbon is easily removable.
Hence 1-Butyne has one - acidic hydrogen atom.

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