How will you prepare a pure sample of propane ?

1.	How will you prepare a pure sample of propane ?
Answer» SOLUTION :PROPANE is an UNSYMMETRICAL alkane, it cannot be prepared by Wurtz reaction. However, it can be easily prepared by Corey-House reaction as shown below : `underset"ETHYL bromide"(CH_3CH_2)-Br+2Li overset"Dry ether"to underset"Ethyllithum"(CH_3CH_2-Li+LiBr)` `2CH_3CH_2-Li+CuI overset"Dry ether " to underset"Lithium diethylcopper"((CH_3CH_2)_2CuLi)+LiI`

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