In the laboratory preparation of nitric acid from $K N O_{3} o r N a N O_{3}$ the acid used is:

concentrated nitric acid

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dilute sulphuric acid

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concentrated sulphuric acid

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concentrated hydrochloric acid

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Solution

The correct option is A concentrated sulphuric acid
Nitric acid can be prepared in the laboratory by distilling a mixture of potassium nitrate or sodium nitrate and concentrated sulphuric acid.
$N a N O_{3} + H_{2} S O_{4} \to H N O_{3} + N a H S O_{4}$

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Similar questions

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

Q. (a) Write a balanced chemical equation for the laboratory preparation of nitric acid.
(b) In the preparation of nitric acid from

K N O_{3}

, concentrated hydrochloric acid is not used in place of concentrated sulphuric acid. Explain why.
(c) Conc. nitric acid prepared in laboratory is yellow in colour. Why? How is this colour removed? [4 MARKS]

In the laboratory preparation of Nitric Acid, state the role of concentrated Sulphuric 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. In the laboratory preparation of nitric acid from -

K N O_{3}

N a N O_{3}

, on the addition of conc. sulphuric acid and copper in the prepared nitric acid give _____________ .

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In the laboratory preparation of nitric acid from KNO3 or NaNO3 the acid used is:

The correct option is A concentrated sulphuric acidNitric acid can be prepared in the laboratory by distilling a mixture of potassium nitrate or sodium nitrate and concentrated sulphuric acid.NaNO3+H2SO4→HNO3+NaHSO4

In the laboratory preparation of nitric acid from $K N O_{3} o r N a N O_{3}$ the acid used is:

The correct option is A concentrated sulphuric acid
Nitric acid can be prepared in the laboratory by distilling a mixture of potassium nitrate or sodium nitrate and concentrated sulphuric acid.
$N a N O_{3} + H_{2} S O_{4} \to H N O_{3} + N a H S O_{4}$