Transition and InnerTransition Elements - Result Question 33

####34. In the dichromate dianion

(1999,2M)

(a) 4CrO bonds are equivalent

(b) 6CrO bonds are equivalent

(c) all CrO bonds are equivalent

(d) all CrO bonds are non-equivalent

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Solution:

  1. The structure of dichromate ion is :

Exhibit resonance phenomena. Except the bridged CrOCr, all CrO bonds are equivalent.



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