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प्रश्न
What must be added to sodium chloride to prepare hydrogen chloride?
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उत्तर
Sulphuric acid must be added to sodium chloride to prepare hydrogen chloride.
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संबंधित प्रश्न
Write an equation for the reaction of hydrochloric acid on copper oxide.
Give reason for the following:
An aqueous solution of chlorine in acidic in nature
Hint : Cl2 + H2O ⟶ HCl +HClO
How will the action of dilute hydrochloric acid enable you to distinguish between sodium carbonate and sodium sulphite?
How will the action of dilute hydrochloric acid enable you to distinguish between sodium thiosulphate and sodium sulphite?
Name the following:
A metallic oxide which reacts with hydrochloric acid to give a coloured solution.
Select from the list given (a to e) one substances in each case which matches the description given in parts (i) to (v). (Note : Each substance is used only one in the answer)
(a) Nitroso Iron (II) Sulphate
(b) Iron (III) chloride
(c) Chromium sulphate
(d) Lead (II) chloride
(e) Sodium chloride
(i) A compound which is deliquescent
(ii) A compound which is insoluble in cold water, but soluble in hot water
(iii) The compound responsible for the brown ring during the brown ring test of nitrate iron
(iv) A compound whose aqueous solution is neutral in nature
(v) The compound which is responsible for the green colouration when sulphur dioxide is passed through acidified potassium dichromate solution
Give a chemical test to distinguish between the following pair of compounds:
Hydrogen chloride gas and hydrogen sulphide gas
Identify the anion present of the following compound:
When barium chloride solution is added to salt solution E a white precipitate insoluble in dilute hydrochloric acid is obtained
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Iron (II) sulphide
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
