The $IUPAC$ name for $K[Ag(CN)_2]$ is:

Which of the following formulae is for sodium hexanitrocobaltate$(III)$?

What is the oxidation number of $Co$ in $[Co(NH_3)_4ClNO_2]$?

In ammonium phosphomolybdate,the oxidation state of $Mo$ is $..........$.

The correct $IUPAC$ name of $[PtBr_2(PMe_3)_2]$ is:

Using $IUPAC$ norms,write the formulas for the following:
$(i)$ Tetrahydroxozincate $(II)$
$(ii)$ Potassium tetrachloridopalladate $(II)$
$(iii)$ Diamminedichloridoplatinum $(II)$
$(iv)$ Potassium tetracyanonickelate $(II)$
$(v)$ Pentaamminenitrito$-O$-cobalt $(III)$
$(vi)$ Hexaamminecobalt $(III)$ sulphate
$(vii)$ Potassium tri(oxalato)chromate $(III)$
$(viii)$ Hexaammineplatinum $(IV)$
$(ix)$ Tetrabromidocuprate $(II)$
$(x)$ Pentaamminenitrito$-N$-cobalt $(III)$