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On mixing an alkane with chlorine and ir...

On mixing an alkane with chlorine and irradiating with ultra violet light, it forms only one monochloro alkane. The alkane is

A

Propane

B

Pentane

C

Iso-pentane

D

Neo-pentane

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The correct Answer is:
D
In chlorination of alkanes, hydrogen is replaced by chlorine. In neo-pentane, only one type of hydrogen is present, hence replacement of any hydrogen atom will give the same product.
`H_(2)C-overset(CH_3)overset(|)underset(CH_3)underset(|)C-CH_(3) overset(Cl_2//UV)rarr H_(3)C - overset(CH_2Cl)overset(|)underset(CH_3)underset(|)C-CH_3`
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