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प्रश्न
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
Give a balanced chemical equation for the above reaction.
Hydrogen chloride gas is prepared in the laboratory using concentrated sulphuric acid and sodium chloride. Answer the question that follow based on this reaction.
Give the balanced chemical equation for the reaction with suitable conditions(s) if any.
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उत्तर
\[\ce{2NaCl + H2SO4 ->[< 200°C][]2HCl + Na2SO4}\]
Sodium's greater reactivity than hydrogen replaces 'H' from acid to produce matching salts and strong volatile acid (HCl).
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संबंधित प्रश्न
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
Give reason for the following:
When barium chloride is added to dilute sulphuric acid, a white precipitate is formed.
Give reason for the following:
Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Lead nitrate solution
What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with potassium nitrate?
Give one equation to show the following property of sulphuric acid:
Acidic nature
Give a balanced chemical equation for the action of sulphuric acid on the following:
Potassium hydrogen carbonate
State two observations when
A few crystals of KNO3 are heated in a hard glass tube
Identify the salts P and Q from the observation given below:
On performing the flame test salt P produces a lilac coloured flame and its solution gives a white precipitate with silver nitrate solution. Which is soluble in ammonium hydroxide solution.
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid (using lead nitrate solution).
