C_2 H_6 stackrel4500^° Clongrightarrow C_2 H_4+H_2 Above reaction is called as

Q30 / 160 · AP EAMCET 2013 · Chemistry

$$ \mathrm{C}_2 \mathrm{H}_6 \stackrel{4500^{\circ} \mathrm{C}}{\longrightarrow} \mathrm{C}_2 \mathrm{H}_4+\mathrm{H}_2 $$ Above reaction is called as

A
combustion
B
rearrangement
Correct answer
C
pyrolysis
D
cleavage

Solution

Decomposition of a compound by application of heat is called pyrolysis and pyrolysis of higher alkanes into a mixture of lower alkanes, alkenes, etc. is also called cracking.

Hence, the correct answer is option: 'C'.

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