Question
Chemistry Question on d block elements
In the dichromate dianion
A
4 Cr-O bonds are equivalent
B
6 Cr-O bonds are equivalent
C
all Cr-O bonds are equivalent
D
all Cr-O bonds are non-equivalent
Answer
6 Cr-O bonds are equivalent
Explanation
Solution
The structure of dichromate ion is :
Exhibit resonance phenomena. Except the bridged Cr- O-Cr all Cr-O bonds are equivalent.