write the formula of the following salts by criss-cross methods- 1) sodium hydrogen carbonate 2)ferrous sulphate 3) aluminium nitride 4) potassium sulphate 5) ammonium chloride 6) lead nitrate 7) ammonium phosphate 8) cupric oxide 9) calcium hydrogen sulphate10) zine hydroxide.
Dear Student,
1) Sodium Hydrogen carbonate
Symbol Na HCO3
Charge +1 -1
Formula = NaHCO3
2) Ferrous sulphate
Symbol Fe SO4
Charge +2 -2
Formula = FeSO4
3) Aluminium nitride
Symbol Al N
Charge +3 -3
Formula = AlN
4) Potassium sulphate
Symbol K SO4
Charge +1 -2
Formula = K2SO4
5) ammonium chloride
Symbol NH4 Cl
Charge +1 -1
Formula = NH4Cl
6) Lead Nitrate
Symbol Pb NO3
Charge +2 -1
Formula = Pb(NO3)2
7) ammonium phosphate
Symbol NH4 PO4
Charge +1 -3
Formula = (NH4)3PO4
8) Cupric oxide
Symbol Cu O
Charge +2 -2
Formula = Cu2O2 = CuO
9) Calcium hydrogen sulphate
Symbol Ca HSO4
Charge +2 -1
Formula = Ca(HSO4)2
10) Zinc hydroxide
Symbol Zn OH
Charge +2 -1
Formula = Zn(OH)2
Best Wishes !
1) Sodium Hydrogen carbonate
Symbol Na HCO3
Charge +1 -1
Formula = NaHCO3
2) Ferrous sulphate
Symbol Fe SO4
Charge +2 -2
Formula = FeSO4
3) Aluminium nitride
Symbol Al N
Charge +3 -3
Formula = AlN
4) Potassium sulphate
Symbol K SO4
Charge +1 -2
Formula = K2SO4
5) ammonium chloride
Symbol NH4 Cl
Charge +1 -1
Formula = NH4Cl
6) Lead Nitrate
Symbol Pb NO3
Charge +2 -1
Formula = Pb(NO3)2
7) ammonium phosphate
Symbol NH4 PO4
Charge +1 -3
Formula = (NH4)3PO4
8) Cupric oxide
Symbol Cu O
Charge +2 -2
Formula = Cu2O2 = CuO
9) Calcium hydrogen sulphate
Symbol Ca HSO4
Charge +2 -1
Formula = Ca(HSO4)2
10) Zinc hydroxide
Symbol Zn OH
Charge +2 -1
Formula = Zn(OH)2
Best Wishes !