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Acetylene is allowed to react with an ex...

Acetylene is allowed to react with an excess of HCl in the presence of `HgCl_2`. The product formed is

A

vinylchloride

B

acetylene dichloride

C

ethylene dichloride

D

ethylidene dichloride

Text Solution

Verified by Experts

The correct Answer is:
D
`CH-=CHunderset(HgCl_2)overset(HCl)toCH_2=CHClunderset(HgCl_2)overset(HCl)tounderset("Ethylidene dischloride")(CH_2CHCl_2)`
The addition of halogen acids is catalyzed by metallic halides.
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