Q. Thermal decomposition of alkanes in the absence of air is called
A) Cracking
B) Oxidation
C) Combustion
D) Hydrogenation
Explanation
(a)
Thermal decomposition of alkanes in the absence of air is called cracking or pyrolysis $e.g.,$
$CH_{4}\overset{1000℃\ \ \ }{\rightarrow}C + 2H_{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.