Name the gas evolved: Ethene undergoes hydrogenation reaction.
Ethane gas
H2C=CH2 ethene [ethylene]+H2→300°CNickleC2H6ethane\underset{\text{ ethene [ethylene]}}{\text{H}_2\text{C}=\text{C}\text{H}_2} + \text{H}_2 \xrightarrow[300\degree\text{C}]{\text{Nickle}} \underset{\text{ethane}}{\text{C}_2\text{H}_6} ethene [ethylene]H2C=CH2+H2Nickle300°CethaneC2H6
