Question

Write the reaction for the conversion of ethene to ethane?

Answer 1

The organic compounds consisting of Carbon $\left(\mathrm{C}\right)$ and Hydrogen $\left(\mathrm{H}\right)$ atoms are known as hydrocarbons.

Hydrocarbons are of two types depending on the kind of bonds formed between Carbon-Carbon atoms, saturated hydrocarbons, and unsaturated hydrocarbons

In organic conversion, the reagent reacts with a reactant molecule to produce an intermediate which is converted into final products.

In the conversion of an unsaturated alkene to a saturated alkane in the presence of a metal catalyst, a Hydrogen molecule (${\mathrm{H}}_2$) is added to the double to form the saturated alkane product.

So this addition reaction is known as a hydrogenation reaction.

The conversion of Ethene to Ethane in the presence of Nickel $\left(\mathrm{Ni}\right)$ catalyst can be written as:

$$\begin{gathered} {\mathrm{CH}}_2={\mathrm{CH}}_2+\mathrm{H}-\mathrm{H}\stackrel{\mathrm{Ni}}{\to }{\mathrm{CH}}_3-{\mathrm{CH}}_3 \\ \left(\mathrm{ethene}\right)\left(\mathrm{hydrogen}\right)\left(\mathrm{ethane}\right) \end{gathered}$$