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Question
The number of electrons involved in the reduction of Cr2O2−7 in acidic solution to Cr3+ is
Options:
A .  0
B .  2
C .  3
D .  5
Answer: Option C
:
C
The Number Of Electrons Involved In The Reduction Of Cr2O2âˆ...
In this reaction three electrons are required for the reduction of Cr2O2−7 into Cr3+
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