Transition and InnerTransition Elements - Result Question 33
34. In the dichromate dianion
$(1999,2 M)$
(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
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Answer:
Correct Answer: 34. (b)
Solution:
The structure of dichromate ion is :
Exhibit resonance phenomena. Except the bridged $Cr-O-Cr$, all $Cr-O$ bonds are equivalent.
BETA
