Name the gas evolved in each of the following cases

Name the gas evolved in each of the following cases:

1. Alumina undergoes electrolytic reduction.
2. Ethene undergoes hydrogenation reaction.
3. Ammonia reacts with heated copper oxide.

Answer

1. Oxygen gas or O₂
2. Ethane gas or C₂H₆
3. Nitrogen or N₂

• Exam Year: 2019