Question

`CH_3CH_2CH_3 overset(400-6000^@C)(to) X+Y`
X and Y are
A. Hydrogen, methane
B. Methane, ethylene
C. Hydrogen, ethylene
D. Ethylene, ethane

Answer 1

Correct Answer - B
The thermal decomposition of alkanes is known as cracking. It leads to the formation of lower alkanes, alkanes and hydrogen .
`underset("propane")(CH_3 CH _ 2 CH _ 3 )overset(400-600^@C)to underset("(x)") underset("ethylene")(CH_2 = CH_2 ) + underset("(Y)") underset("methane")(CH_4)`