MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Organic ChemistryHydrocarbonsPhysical & Chemical Properties of Alkenes

When one mole of an alkene on ozonolysis produces 2 moles of propanone, the alkene is

A.3-methyl-1-butene

B.2,3-dimethyl-1-butene

C.2,3-dimethyl-2-pentene

D.2, 3-dimethyl-2-butene✓ Correct

Explanation

In option D, on passing ozone through a solution of 2,3 dimethylbut-2-ene in an organic solvent, an ozonide is obtained. The ozonide on reduction gives propanone as product. | | 3 3 3 3 3 3 3 3 3 2 O CH C C CH CH COCH CH COCH H O/Zn H C CH ->

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