What happens when-

1. Chloroethane react with sodium metal in presence of dry ether.

2. Propanoic acid is subjected to electrolyte.

3. Sodium ethanoid is heated with soda lime.

4. Methyl magnessium bromide is hydrolysed.

5. Butane is cracking in presence of a catalyst.

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1) Chloroethane reacts with sodium metal in presence of dry ether to give ethylsodium. The reaction is as follows:

  Chloroethane  Sodium   Ethylsodium   Sodium chloride