Using IUPAC norms write the formulas for the following:
(i) Tetrahydroxidozincate (II)
(ii) Potassium tetrachloridopalladate (II)
(iii) Diamminedichloridoplatinum (II)
(iv) Potassium tetracyanidonickelate (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)
(i) Tetrahydroxidozincate (II) = [Zn(OH)4]-2
Tetrahydroxi means 4 hydroxide ions with zinc in + 2 oxidation state. Hydroxide ions have a negative charge of -1 , so balancing the overall charge of the coordination compound to be zero we get the formula as : [Zn(OH)4]-2
(ii) Potassium tetrachloridopalladate(II) = K3[PdCl4].
Tetrachlorido means 3 Chloride ions each having a negative charge. Platinum is in + 2 state. Balance overall charge as 0, no. Of potassium ions are 3. Formula: K3[PdCl4].
(iii) Diamminedichloridoplatinum(II) = [Pt(NH3)Cl2]2+
Diammine means 2 ammonia molecules, dichlorido means 2 chloride ions , platinum in + 2 state. Formula: [Pt(NH3)Cl2]2+
(iv) Potassium tetracyanidonickelate(II) = K2[Ni(CN)4].
tetracyanido means 4 cyanide ions each with a unit negative charge and nickel atom with + 2 state. Formula: K2[Ni(CN)4].
(v) Pentaamminenitrito-O-cobalt(III) = [Co(ONO)(NH3)5]+2
penataammine means 5 ammonia molecules, nitrito-O means nitrate ion which is bonded to central atom via oxygen and cobalt in + 3 state. Formula: [Co(ONO)(NH3)5]+2
(vi) Hexaamminecobalt(III) sulphate = [Co(NH3)6]2(SO4)3
hexaammine means six ammonia molecules and cobalt in + 3 state. Sulphate have a negative charge of-2. Balance overall charge as 0. Formula: [Co(NH3)6]2(SO4)3
(vii) Potassium tri(oxalato)chromate(III) = K3[Cr(C2O4)3].
trioxolato means 3 oxolate ions and chromium in + 3 state. Balance overall charge as 0. Formula: K3[Cr(C2O4)3].
(viii) Hexaammineplatinum(IV) = [Pt(NH3)6]4+
hexaammine means 6 neutral ammonia molecules and platinum in + 4 state. Balance overall charge as 0. Formula: [Pt(NH3)6]4+
(ix) Tetrabromidocuprate(II) = [Cu(Br)4]2-
tetrabromido means 4 bromide ions with a unit negative charge each and copper in + 2 state. Balance overall charge as 0. Formula: [Cu(Br)4]2-
(x) Pentaamminenitrito-N-cobalt(III) = [Co(NO2)(NH3)5]2+
pentaammine means 5 neutral ammonia molecules, nitrito-N means nitro group bonded to central atom via the lone pair of electron of nitrogen and cobalt in + 3 state. Balance overall charge as 0. Formula: [Co(NO2)(NH3)5]2+