Acid-catalysed hydration of terminal alkynes gives methyl ketones via enol–ketone tautomerisation:
$$R-C\equiv C-H + H_2O \xrightarrow{\mathrm{HgSO_4}/\mathrm{H_2SO_4}} R-CO-CH_3$$Terminal alkynes → methyl ketones; acetylene → acetaldehyde.
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CAT Formulas
Hydrocarbons - Alkynes
Hydration of Terminal Alkynes (HgSO₄/H₂SO₄)
Acid-catalysed hydration of terminal alkynes gives methyl ketones via enol–ketone tautomerisation:
$$R-C\equiv C-H + H_2O \xrightarrow{\mathrm{HgSO_4}/\mathrm{H_2SO_4}} R-CO-CH_3$$Terminal alkynes → methyl ketones; acetylene → acetaldehyde.
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