Question

Which process is used to prepare oil gas from kerosene oil and petrol gas from petrol?

• A. Isomerisation
• B. Aromatization
• C. Pyrolysis
• D. Controlled oxidation

Answer 1

The correct option is C Pyrolysis

Preparation of oil gas from kerosene oil and petrol gas from petrol is based on the process of Pyrolysis.
for exaple- Dodecane, a consitituent of kerosene oil on heating to 973K in presence of Pt/Pd/Ni gives a mixture of heptane and pentene along with other products.
$C_{12}{H}_{26}\underset{Pt/Pd/Ni}{\overset{971K}{\to }}{C}_7{H}_{16}+C_5{H}_{10}+\text{other products}$