. For each of the salt: A, B, C and D, suggest a suitable method of its preparation


For each of the salt: A, B, C and D, suggest a suitable method of its 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.

Best Answer

(a) By neutralisation:

NaOH + HCl → NaCl + H2O

(b) By precipitation:

Pb(NO3)2 + 2NaCl → PbCl2 + 2NaNO3

(c) CuCO3 + H2SO4→ CuSO4 + H2O + CO2

(d) Simple displacement:

Zn + H2SO4→ ZnSO4 + H2

 

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