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Thermal Decomposition of Alkanes

Catalytic cra...

Question

Catalytic cracking of a alkanes is a ___ reaction.

A

hydrogenation

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B

dehydrogenation

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C

dehydrohalogenation

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D

dehalogenation

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Solution

The correct option is B
dehydrogenation

Thermal or catalytic decomposition of alkanes in absence of air at high temperatures will yield us alkenes and alkynes.

This process is also called as pyrolysis.It is a dehydrogenation reaction.

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