Acidified solution of chromic acid on treatme | vedclass

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Question

(C) When an acidified solution of dichromate (chromic acid) is treated with hydrogen peroxide $(H_2O_2)$,a deep blue colored compound,chromium pentoxi

Vedclass · Accepted Answer

$CrO_5 + H_2O$

Vedclass · Answer

(C) When an acidified solution of dichromate (chromic acid) is treated with hydrogen peroxide $(H_2O_2)$,a deep blue colored compound,chromium pentoxide $(CrO_5)$,is formed.The chemical reaction is as follows:$K_2Cr_2O_7 + H_2SO_4 + 4H_2O_2 	o K_2SO_4 + 2CrO_5 + 5H_2O$$CrO_5$ is an unstable compound that decomposes to form $Cr^{3+}$ ions in acidic medium.

Acidified solution of chromic acid on treatment with hydrogen peroxide yields:

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