Give examples of the use of sulphuric acid as
(i) an electrolyte in everyday use,
(ii) non-volatile acid,
(iii) an oxidizing agent.

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Solution

(i) Sulphuric acid is used in storage batteries as an electrolytic medium. Example: in automobiles.
(ii) Sulphuric acid has a tendency to displace volatile acids from their salts. Hence, it is used in the preparation of volatile acids. For example:
2KCl + H₂SO₄ → K₂SO₄ + 2HCl
(iii) It is used in the laboratory as an oxidising agent as it oxidises non-metals to their corresponding oxides. For example:
S + 2H₂SO₄ → 2H₂O + 3SO₂

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Q. (a) in Contact process, sulphur dioxide can be oxidised to sulphur trioxide in the presence of platinised asbestos which acts as a catalyst. The reaction is exothermic. Explain what is meant by the terms in Italics.
(b) Give examples of the use of sulphuric acid.
(i) As an electrolyte In everyday use.
(ii) As non-volatile acid.
(iii) As an oxidising agent.
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(c) (i) Name the process used for the large scale manufacture of sulphuric acid.
(ii) Which property of sulphuric acid accounts for its use as a dehydrating agent?
(iii) Concentrated sulphuric acid is both an oxidizing agent and non-volatile acid. Write one equation each to illustrate the above mentioned properties of sulphuric acid.

Describe the reactions that show
(i) Concentrated sulphuric acid is a non-volatile acid.
(ii) Concentrated sulphuric acid acts as a dehydrating agent.
(iii) Concentrated sulphuric acid is an oxidising agent.
(iv) Dilute sulphuric acid behaves as dibasic acid.

(a) Which property of sulphuric acid accounts for its use as a dehydrating agent ?

(b) Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write on equation each to illustrate the above mentioned properties of sulphuric acid.

(a) Name the process used for the large scale manufacture of sulphuric acid.
(b) Which property of sulphuric acid accounts for its use as a dehydrating agent?
(c) Concentrated sulphuric acid is both an oxidising agent and a non-volatile acid. Write one equation each to illustrate the properties of sulphuric acid mentioned above.

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Give examples of the use of sulphuric acid as (i) an electrolyte in everyday use, (ii) non-volatile acid, (iii) an oxidizing agent.

Give examples of the use of sulphuric acid as
(i) an electrolyte in everyday use,
(ii) non-volatile acid,
(iii) an oxidizing agent.