Question

Chemistry Chapter Acids,Bases and Salts
Class X
Q. When electricity is passed through an aqueous solution of a neutral compound A, it forms a product B which is used in paper making and two gases are C and D are evolved, out of which C burns with a pop sound and D is used to prepare another compound E ,which is used as an oxidizing agent in many chemical industry. a) Identify A, B, C, D and E. b) Name the process involved in preparation of B,C and D. c) Write the equations involved.​

Answer 1

Explanation:

Ans-

(a) A is Sodium chloride (NaCl).

B is Sodium hydroxide (NaOH).

C is Hydrogen gas (H2).

D is Chlorine gas (Cl2).

E is Water (H2O).

(b) The process is chlor-alkali process.

(c) The equations involved is:-0

2NaCl + 2H2O -----> 2NaOH + Cl2 + H2

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