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.