. a. Write the balanced chemical equation: Lead nitrate solution is added to sodium chloride solution


a. Write the balanced chemical equation: Lead nitrate solution is added to sodium chloride solution.

b. State what happens to crystals or washing soda when exposed to air. Name the phenomenon exhibited.

c. Name the method used for the preparation of the following salts from the list given below:

 i. Sodium nitrate

 ii. Iron (III) chloride

 iii. Lead chloride

 iv. Zinc sulphate

 v. Sodium hydrogen sulphate list:

A. Simple displacement

B. Neutralisation

C. Decomposition by acid

D. Double decomposition

E. Direct synthesis

Best Answer

a. Pb(NO3)2 + 2NaCl → PbCl2 + 2NaNO3

b. When crystals of washing soda are exposed to air, it loses its water of crystallisation and the phenomenon is known as efflorescence.

c. 

 i. (B) Neutralisation

 ii. (E) Direct synthesis

 iii. (D) Double decomposition

 iv. (A) Simple displacement

 v. (C) Decomposition by acid

 

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