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Standard X
Chemistry
Introduction to Hydrogen Chloride
How can you o...
Question
How can you obtain Nitric acid from potassium nitrate?
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Solution
Nitric acid (HNO
3
) is obtained from potassium nitrate (KNO
3
) by reacting it with
sulphuric acid (H
2
SO
4
).
The required equation for the preparation of nitric acid from potassium nitrate:
KNO
3
+
H
2
SO
4
→
KHSO
4
+
HNO
3
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Q.
Write balanced equation for the preparation of nitric acid from potassium nitrate.
Q.
Write the balanced equation for the laboratory preparation of nitric acid from potassium nitrate.
Q.
How will you prepare the following from nitric acid?
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Q.
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⟶
Potassium bisulphate + nitric acid. This reaction takes place at:
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.
(c) Potassium nitrate is prepared from potassium hydroxide and nitric acid. Name the type of this reaction.
(d) Which gas is produced when potassium nitrate is heated? Write the equation for the reaction. [5 MARKS]
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