Alkanes

  • M/J 2019/P11/Q35

When a molecule of a saturated hydrocarbon is cracked, it forms two molecules X and Y.

Which row is correct?
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Answer: ​​ A

Explaination

Here we talk about cracking of alkane molecule so cracking converts saturated hydrocarbon into unsaturated hydrocarbon (alkene).​​ 

For example, cracking large HC hexane, it becomes smaller alkene molecule. The products obtained in cracking are alkene always and H2​​ gas may also be produced.