How will you convertethane to butane

1.	How will you convertethane to butane
Answer» SOLUTION :`CH_3CH_3 UNDERSET(HNO3)OVERSET(I_2)(to) CH_3CH_2I underset("wurtz REACTION")overset("2Na/ether")(to) CH_3 - CH_2 - CH_2 - CH_3`

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