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Question
Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene.
Options:
A .  Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics.
B .  Smoking tendency of paraffins increases with decrease in its molecular weight.
C .  Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond.
D .  Smoking tendency of aromatics decreases with increase in its molecular weight.
Answer: Option B
Answer: (b).Smoking tendency of paraffins increases with decrease in its molecular weight.

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