In the laboratory preparation of Nitric Acid, state the role of concentrated Sulphuric Acid

Oxidising agent

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Reducing agent

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Less volatile acid

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Dehydrating agent

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Solution

The correct option is C
Less volatile acid

Concentrated Sulphuric Acid act as a less volatile acid in the laboratory preparation of nitric acid. This helps in the dissolution of gases evolved and thus removal of impurities in order to obtain pure nitric acid.

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What is the role of concentrated $H_{2} S O_{4}$ in the laboratory preparation of nitric acid?

Complete the following sentence, choosing the correct word from the brackets.
"Concentrated sulphuric acid is used in the laboratory preparation of nitric acid and hydrochloric acid because it is ................ (less volatile/stronger) in comparison to these two acids."

Q. Which salt is used along with concentrated sulphuric acid for the laboratory preparation of nitric 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.

Write the equation for the laboratory preparation of nitric acid from potassium nitrate and concentrated sulphuric acid.

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In the laboratory preparation of Nitric Acid, state the role of concentrated Sulphuric Acid

The correct option is C Less volatile acidConcentrated Sulphuric Acid act as a less volatile acid in the laboratory preparation of nitric acid. This helps in the dissolution of gases evolved and thus removal of impurities in order to obtain pure nitric acid.

The correct option is C
Less volatile acid

Concentrated Sulphuric Acid act as a less volatile acid in the laboratory preparation of nitric acid. This helps in the dissolution of gases evolved and thus removal of impurities in order to obtain pure nitric acid.