D-And F-Block Elements Ques 56
Question: Acidified solution of chromic acid on treatment with hydrogen peroxide yields
[MP PET 1999; AFMC 2000]
Options:
A) $ CrO_3+H_2O+O_2 $
B) $ Cr_2O_3+H_2O+O_2 $
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+2CrO_5+5H_2O $
