Chemistry
For each of the salt : A, B, C and D, suggest a suitable method of it's preparation.
(a) A is a sodium salt,
(b) B is an insoluble salt,
(c) C is a soluble salt of copper
(d) D is a soluble salt of zinc.
Related Questions
Write the balanced equations for the preparation of the following salts in the laboratory.
(a) A soluble sulphate by the action of an acid on an insoluble base,
(b) An insoluble salt by the action of an acid on another salt,
(c) An insoluble base by the action of a soluble base on a soluble salt,
(d) A soluble sulphate by the action of an acid on a metal.
You are provided with the following chemicals:
NaOH, Na2CO3, H2O, Zn(OH)2, CO2, HCl, Fe, H2SO4, Cl2, Zn.
Using the suitable chemicals from the given list only, state briefly how you would prepare :
(a) iron (III) chloride
(b) sodium sulphate
(c) sodium zincate
(d) iron (II) sulphate
(e) sodium chloride
Choosing only substances from the list given in the box below, write equations for the reactions which you would use in the laboratory to obtain:
(a) Sodium sulphate
(b) Copper sulphate
(c) Iron (II) sulphate
(d) Zinc carbonate
Dilute sulphuric acid Copper Copper carbonate Iron Sodium carbonate Sodium Zinc From the formula listed below, choose one, in each case, corresponding to the salt having the given description :
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O
(a) an acid salt.
(b) an insoluble chloride.
(c) on treating with concentrated sulphuric acid, this salt changes from blue to white.
(d) on heating, this salt changes from green to black.
(e) this salt gives nitrogen dioxide on heating.