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Question

Dilute acetylene is passed through dil H2SO4 in the presence of HgSO4, the compound formed is

A
Ethanol
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B
Acetone
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C
Acetic acid
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D
Ethanal
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Solution

The correct option is A Ethanol
In presence of acid HgSO4, water molecule will be added to acetylene. The metal catalyst will act as promoter. The final product is Ethanal. The reaction is called Kucherov Reaction.
The given figure represents the reaction.

1094021_1181965_ans_400252c91c7a42ab908bea9f3d72fcab.png

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