Explain why

(a) Only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.

(b) Nitric acid is kept in a reagent bottle for a long time.

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Solution

a) All glass apparatus are used because nitric acid vapours are highly corrosive in
nature and corrodes cork and rubber etc.

b) Nitric acid is kept in reagent bottle because nitric acid is a highly fuming liquid; it
spreads in air and is highly corrosive.

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Similar questions

Explain why

(a) Only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.

(b) Nitric acid is kept in a reagent bottle for a long time.

Q. Explain why [4 MARKS]
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(b) Nitric acid, when kept in a reagent bottle for a long time, turns yellow.

Q. (i) Explain, why only all glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
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Q. (a) When nitric acid is prepared by the action of concentrated sulphuric acid on potassium nitrate, what is the special feature of the apparatus used?
(b) Write the equation for the laboratory preparation of nitric acid from potassium nitrate and concentrated sulphuric acid.
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Explain why (a) Only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate. (b) Nitric acid is kept in a reagent bottle for a long time.

a) All glass apparatus are used because nitric acid vapours are highly corrosive in nature and corrodes cork and rubber etc. b) Nitric acid is kept in reagent bottle because nitric acid is a highly fuming liquid; it spreads in air and is highly corrosive.

Explain why

(a) Only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.

(b) Nitric acid is kept in a reagent bottle for a long time.

a) All glass apparatus are used because nitric acid vapours are highly corrosive in
nature and corrodes cork and rubber etc.

b) Nitric acid is kept in reagent bottle because nitric acid is a highly fuming liquid; it
spreads in air and is highly corrosive.