CBSE - XI Science - Chemistry - Hydrocarbons
The major product obtained by the treatment of propyne with aqueous H2SO4 in the preence of HgSO4 is: a) Propanal b) Acetone c) Propanol d) Propyl hydrogen sulphate
Addition of water to ethyne in the presence of H2SO4 and HgSO4 gives acetaldehyde. All other alkynes give ketones in this reaction.Water adds to alkynes to form unstable enol intermediates which rearrange to form aldehyde or ketones.
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