Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Chemistry Coordination Compounds Complexes
The coordination number and oxidation state of Cr in K3 [Cr(C2O4)3] are respectively
1
3 and 3
2
3 and 0
3
6 and 3
4
More than of the above
5
None of the above