Write a balanced chemical equation for each of the following:
(i) Producing ethane from bromoethane using Zn/Cu couple in alcohol.
(ii) Complete combustion of ethane
(i) Ethane from bromoethane using Zn/Cu couple in alcohol
C2H5Brbromoethane+2[H]nascent hydrogen→alcoholZn/Cu coupleC2H6ethane+HBr\underset{\text{bromoethane}}{\text{C}_2\text{H}_5\text{Br}} + \underset{\text{nascent hydrogen}}{2\text{[H]}} \xrightarrow[\text{alcohol}]{\text{Zn/Cu couple}} \underset{\text{ethane}}{\text{C}_2\text{H}_6} +\text{HBr}bromoethaneC2H5Br+nascent hydrogen2[H]Zn/Cu couplealcoholethaneC2H6+HBr
2C2H6+7O2⟶4CO2+6H2O+Δ2\text{C}_2\text{H}_6 + 7\text{O}_2 \longrightarrow 4\text{CO}_2 + 6\text{H}_2\text{O} + \Delta2C2H6+7O2⟶4CO2+6H2O+Δ