Question

Acetylene reacts with dil H2SO4 in presence of murcury to give acetal dehyde but with dil HCl under similar conditions it gives vinyl chloride . Explain why?

Answer 1

Answer:

H_2SO_4 in presence of mercury salts to give acetaldehyde but with dil. HCl under similar conditions, it gives vinyl chloride . ... HCl, since , Cl- ion is more nucleophilic than H2O it reacts with complex (I) to form vinyl chloride.

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