$H - C \equiv C - H + H_{2} P d - B a S O_{4} / Q u i n o l i n e A H C l B a q . K O H C$

Here, $C$ is:

Question

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Answer 1

The complete reaction sequence is as follows:

$H - C \equiv C - H + H_{2} P d - B a S O_{4} / Q u i n o l i n e H_{2} C = C H_{2} H C l C_{2} H_{5} C l a q . K O H C_{2} H_{5} O H$

$A$ is ethene, formed by Lindlar's catalyst.

$B$ is ethyl chloride, formed by the addition of $H C l$ to an alkene.

$C$ is ethanol because alkyl halides react with aqueous $K O H$ to give alcohols.

So, the correct option is B

Answer 2

The complete reaction sequence is as follows:

H - C \equiv C - H + H_{2} P d - B a S O_{4} / Q u i n o l i n e H_{2} C = C H_{2} H C l C_{2} H_{5} C l a q . K O H C_{2} H_{5} O H

A

is ethene, formed by Lindlar's catalyst.

B

is ethyl chloride, formed by the addition of

H C l

to an alkene.

C

is ethanol because alkyl halides react with aqueous

K O H

to give alcohols.

So, the correct option is B