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प्रश्न
What is the property of concentrated sulphuric acid (H2SO4) which allows it to be used in the preparation of hydrogen chloride (HCl) and nitric acid (HNO3)?
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उत्तर १
Sulphuric acid is, although, weaker then hydrochloric acid hydrochloric acid is more volatile than sulphuric acid. This property makes it useful in the preparation of hydrochloric acid.
उत्तर २
Non volatile acid
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संबंधित प्रश्न
Name the gas that is produced in the given cases :
An action of dilute hydrochloride acid on sodium sulphide.
For the preparation of hydrochloric acid in the laboratory:
What arrangement is done to dissolve hydrogen chloride gas in water?
Explain why anhydrous HCl is a poor conductor while aqueous HCl is an excellent conductor.
State the use of aqua-regia.
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
Write observation:
Lead nitrate solution is mixed with dilute hydrochloric acid and heated.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
Write an equation for the reaction of hydrochloric acid on manganese (IV) oxide.
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D, and E.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
