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Solution


Q.

In the above conversion the correct sequence of reagents to be added is            [2023]
1 (i)KMnO4,(ii)Br2/Fe,(iii)Fe/H+,(iv)Cl2  
2 (i)Br2/Fe,(ii)Fe/H+,(iii)HONO,(iv)CuCl,(v)KMnO4  
3 (i)Fe/H+,(ii)HONO,(iii)CuCl,(iv)KMnO4,(v)Br2  
4 (i)Br2/Fe,(ii)Fe/H+,(iii)KMnO4,(iv)Cl2  

Ans.

(2)