Presence of peroxide in ethers of old stock can be tested by first tre – InterviewSolution

1.	Presence of peroxide in ethers of old stock can be tested by first treating them with FeSO_4 solution and then adding an aqueous solution of ………&from red colour solution
Answer» `SnCl_2` `HgCl_2` `KI` `KCNS` ANSWER :D

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