Question

What are Preparation of Acetylenes?

Answer

The general reactions used in the preparation of acetylenes are as follows:
(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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