Q. The hydrocarbon (molecular mass = 70) after reduction and chlorination gives a single monochloride. The hydrocarbon is

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Solution:

Solution

The hydrocarbon can be either an alkene or cycloalkane. No alkene with five carbons has all equivalent hydrogens and so the compound is non-substituted cycloalkane, i.e., cyclopentane and monochloride is chlorocylopentane.