wiz-icon
MyQuestionIcon
MyQuestionIcon
5
You visited us 5 times! Enjoying our articles? Unlock Full Access!
Question

When H2O2is added to an acidified solution of K2Cr2O7:

A
solution turns green due to formation of Cr2O3.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
solution turns yellow due to formation of K2CrO4.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
a deep blue-violet colored compound CrO(O2)2 is formed.
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
solution gives green ppt. of Cr(OH)3.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C a deep blue-violet colored compound CrO(O2)2 is formed.
A deep blue layer is formed due to CrO(O2)2 is present in product.

Cr2O27+2H++4H2O22CrO(O2)2+5H2O

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Hydrogen Chloride
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon