C-11-Q109: Ethene + $\mathrm{H_2}$ in the presence of nickel at 180°C–200°C produ…

C-11-Q109: Ethene + $\mathrm{H_2}$ in the presence of nickel at 180°C–200°C produ… | প্রশ্ন করি

Ethene + H2\mathrm{H_2}H2​ in the presence of nickel at 180°C–200°C produces—