Identify the weak electrolyte from the following:

A.Sodium chloride solution
B.Dilute hydrochloric acid
C.Dilute sulphuric acid
D.Aq. acetic acid

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Solution

Correct Answer: D. Aq. acetic acid

A weak electrolyte is one that dissociates partially in the aqueous solution. Among the given options aqueous acetic acid is a weak electrolyte.

Sodium chloride, dilute hydrochloric acid and dilute sulphuric acid are strong electrolytes i.e. they dissociate completely in the solution.

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Q. Classify the following substances under three headings: (a) strong electrolytes (b) weak electrolytes (c) non-electrolytes.
Acetic acid, ammonium chloride, ammonium hydroxide, carbon tetrachloride, dilute hydrochloric acid, sodium acetate, dilute sulphuric acid.

Give reason for the following :

(a) Though lead is above hydrogen in the activity series, it does not react with dilute hydrochloric acid or dilute sulphuric acid.

(b) Potassium and sodium are not used fro reaction with dilute hydrochloric acid or dilute sulphuric acid in laboratory preparation of hydrogen.

Classify the following substances under three headings: strong electrolytes, weak electrolytes, and non-electrolytes.

Acetic acid, ammonium chloride, ammonium hydroxide, carbon tetrachloride, dilute hydrochloric acid, sodium acetate, dilute sulfuric acid

Classify each of the following electrolytes as strong electrolytes or weak electrolytes:
(i) Sodium hydroxide solution
(ii) Potassiun nitrate solution
(iii) Dilute sulphuric acid
(iv) Acetic acid
(v) Pure sulphuric acid
(vi) Pure water
(vii) Ammonia solution

Q. State your observations when:
(i) Dilute hydrochloric acid is added to lead nitrate solution and the mixture is heated.
(ii) Barium chloride solution is mixed with sodium sulphate solution.
(iii) Concentrated sulphuric acid is added to sugar crystals.
(iv) Dilute hydrochloric acid is added to copper carbonate.
(v) Dilute hydrochloric acid is added to sodium thiosulphate.

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Strong and Weak Acids and Bases

Standard IX Chemistry

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Identify the weak electrolyte from the following:​ A.Sodium chloride solution B.Dilute hydrochloric acid C.Dilute sulphuric acid D.Aq. acetic acid

Identify the weak electrolyte from the following:

A.Sodium chloride solution
B.Dilute hydrochloric acid
C.Dilute sulphuric acid
D.Aq. acetic acid