KEAM 2012 Physics and Chemistry Paper

Question : 117 of 120

Marks: +1, -0

Which one of the following reactions proceeds through free radical chain mechanism?

	Reaction	Mechanism followed
(a)	Addition of HBr on ethene	Ionic addition reaction
(b)	Halogenation of benzene in the presence of FeBr3	Electrophilic substitution reaction
(c)	Photochemical chlorination of methane	Free radical substitution
(d)	Hydrolysis of tert-butylchloride with aq. KOH.	Nucleophilic substitution
(e)	Addition of NaHSO3 on acetone	Nucleophilic addition

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