MCQ
In the structure of the dichromate ion, there is a :
- Alinear symmetrical $\mathrm{Cr}-\mathrm{O}-\mathrm{Cr}$ bond.
- ✓non-linear symmetrical $\mathrm{Cr}-\mathrm{O}-\mathrm{Cr}$ bond.
- Clinear unsymmetrical $\mathrm{Cr}-\mathrm{O}-\mathrm{Cr}$ bond.
- Dnon-linear unsymmetrical $\mathrm{Cr}-\mathrm{O}-\mathrm{Cr}$ bond.

