question_answer

Which is correct statement about \[C{{r}_{2}}O_{7}^{2-}\]structure?

A)  It has neither Cr - Cr bonds nor O - O bonds

B)  It has one Cr - Cr bond and six O - O bonds

C)  It has no Cr - Cr bond and has six O - O bonds

D)  It has one Cr - Cr bond and seven Cr - O bonds

Correct Answer: A

Solution :

Structure of \[C{{r}_{2}}O_{7}^{2-}\] is Thus, it has neither Cr - Cr bonds nor O - O bonds.