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Solution


Q.

The pair of compounds that can exist together is                [2014]
1 FeCl3, SnCl2  
2 HgCl2, SnCl2  
3 FeCl2, SnCl2  
4 FeCl3, KI  

Ans.

(3)

Both FeCl2 and SnCl2 are reducing agents with low oxidation numbers.