(B) Cr2O3
(C) CrO5
(D) CrO4^-2
Solution:
When acidified solution of K2Cr2O7 are shaken with H2O2 in presence of ether , the ethereal layer turn blue due to the formation of CrO5 ( deep blue in colour).
Wednesday, March 16, 2022
When hydrogen peroxide is added to acidified potassium dichromate, a blue colour is produced due to formation of....?
(A) CrO3
Hence option (C) is correct.
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