Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Classification of Elements and Periodicity in Properties
In potassium dicyanoargentate (I), the Roman Numeral represents the__________.
1
charge on the complex
2
coordination number of the complex
3
oxidation state of central metal ion
4
More than one of the above
5
None of the above