Which of the following compounds are required for the laboratory preparation of nitric acid?

Sodium nitrate or potassium nitrate and concentrated sulphuric acid

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Sodium nitrite or potassium nitrite and dilute sulphuric acid

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Sodium nitrite or potassium nitrite and concentrated sulphuric acid

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Sodium nitrate or potassium nitrate and dilute sulphuric acid

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Solution

The correct option is A
Sodium nitrate or potassium nitrate and concentrated sulphuric acid

As you know, sodium nitrate or potassium nitrate and concentrated sulphuric acid are the compounds required for the laboratory preparation of nitric acid.

$N a N O_{3} + H_{2} S O_{4} \to H N O_{3} + N a H S O_{4}$

$K N O_{3} + H_{2} S O_{4} \to H N O_{3} + K H S O_{4}$

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Similar questions

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

Write the balanced chemical equations of the following reactions.

(a) Sodium hydroxide + sulphuric acid $\to$ sodium sulphate + water

(b) Potassium bicarbonate + sulphuric acid $\to$ potassium sulphate + carbon dioxide + water

(d) Chlorine + sulphur dioxide + water $\to$ sulphuric acid + hydrogen chloride

(e) Silver nitrate $\to$ silver + nitrogen dioxide + oxygen

(f) Copper + nitric acid $\to$ copper nitrate + nitric oxide + water

(g) Ammonia + oxygen $\to$ nitric oxide + water

(h) Barium chloride + sulphuric acid $\to$ barium sulphate + hydrochloric acid

(i) Zinc sulphide + oxygen $\to$ zinc oxide + sulphur dioxide

(j) Aluminium carbide + water $\to$ aluminium hydroxide + methane

(k) Iron pyrites ( $F e S_{2}$ ) + oxygen $\to$ ferric oxide + sulphur dioxide

(l) Potassium permanganate + hydrochloric acid $\to$ potassium chloride + manganese chloride + chlorine + water

(m) Aluminium sulphate + sodium hydroxide $\to$ sodium sulphate + sodium meta aluminate + water.

(n) Aluminium + sodium hydroxide + water $\to$ sodium meta aluminate + hydrogen

(o) Potassium dichromate + sulphuric acid $\to$ potassium chloride + chromium chloride + water + chlorine.

(p) Sulphur + nitric acid $\to$ sulphuric acid + nitrogen dioxide + water.

(q) Sodium chloride + manganese dioxide + sulphuric acid $\to$ sodium hydrogen sulphate + manganese sulphate + water + chlorine.

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