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In thermal cracking, by which method does the cracked products are separated?

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in Engineering Chemistry II by (789k points)
In thermal cracking, by which method does the cracked products are separated?

(a) Fractional distillation

(b) Destructive distillation

(c) Oil distillation

(d) Steam distillation

The question was asked in a national level competition.

This intriguing question originated from Cracking topic in chapter Fuels and Combustion of Engineering Chemistry II

1 Answer

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Correct choice is (a) Fractional distillation

Explanation: After the process of thermal decomposition, some of the products undergo polymerisation and the other crack products are separated using fractional distillation method. The yields are from 7-30 %.

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