A purple coloured solution is made alkaline with KOH and is treated wi – InterviewSolution

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1.	A purple coloured solution is made alkaline with KOH and is treated with KI forming potassium iodate. The same solution is acidified with H_(2) SO_(4) and again it is treated with Kl. However this time instead of potassium iodate, iodine gas is released. The purple coloured solution is of
Answer» `K_(2)Cr_(2)O_(7)` `K_(2)Cr_(2)O_(4)` `KMnO_(4)` `K_(2)MnO_(4)` Answer :C

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