Question

Choosing the substances from the given list:

dil. sulphuric acid, copper, iron, sodium, copper [IП] carbonate, sodium carbonate, sodium chloride, zinc nitrate.

write balanced equations for the reactions which would be used in the laboratory to obtain the salts given ahead:

1. sodium sulphate
2. zinc carbonate
3. copper [II] sulphate
4. iron [II] sulphate

Answer 1

1. Sodium sulphate
   \[\ce{Na2CO3 + H2SO4(dil{.}) -> Na2SO4 + H2O + CO2}\]
2. Zinc carbonate
   \[\ce{Zn(NO3)2 + Na2CO3 -> 2NaNO3 + ZnCO3}\]
3. Copper (II) sulphate
   \[\ce{CuCO3 + H2SO4(dil{.}) -> CuSO4 + H2O + CO2}\]
4. Iron (II) sulphate
   \[\ce{Fe + H2SO4(dil{.}) -> FeSO4 + H2}\]