Notes
Preparation of Acetylenes…
Preparation of Acetylenes:(i) Reactions of calcium carbide with Water
(ii) From dehydrohalogenation of dihalo acetylenes
(a) Vicinal dihalides
(b) Geminal dihalides
(iii) Dehydrohalogenation reaction
(iv) Kolbe’s electrolytic decarboxylation
(v) From lower acetylenes.
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