MEDIUMMCQ SINGLEJEE Mains ChemistryOrganic ChemistryHydrocarbonsPreparation & Properties of Alkanes

On mixing alkane with chlorine and irradiating with ultraviolet light, it forms only one monochloroalkane. The alkane is

A.propane

B.pentane

C.iso-pentane

D.neo-pentane✓ Correct

Explanation

Neopentane has 4 primary carbons present in it. All these primary carbons has same environment of protons. Therefore only mono chloro -substitution takes place. i.e Neopentane on reaction with chlorine gives neopentyl chloride as product. HYDROCARBONS 5

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