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Solution


Q.

Which of the following alkane cannot be made in good yield by Wurtz reaction            [2020]
1 n-Hexane  
2 2,3-Dimethylbutane  
3 n-Heptane  
4 n-Butane  

Ans.

(3)

Wurtz reaction is used for the preparation of higher alkanes containing even number of C-atoms. Thus this reaction cannot be used for the preparation of n-heptane.