D And F Block Elements Question 414

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

[MP PET 1999; AFMC 2000]

Options:

A) $ CrO_3+H_2O $

B) $ Cr_2O_3+H_2O $

C) $ CrO_5+H_2O $

D) $ H_2Cr_2O_7 + H_2O + O_2 $

Show Answer

Answer:

Correct Answer: C

Solution:

$ K_2Cr_2O_7+H_2SO_4+4H_2O_2\to K_2SO_4+2Cr_2(SO_4)_3+5H_2O $



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