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प्रश्न
Give a chemical test to distinguish between the following pair of compounds:
Sodium chloride solution and sodium nitrate solution.
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उत्तर
To the sodium chloride and sodium nitrate solutions, add the silver nitrate solution. A white, curdy precipitate is produced when sodium chloride is present. The reaction mixture stays colourless while dealing with sodium nitrate solutions.
संबंधित प्रश्न
State your observations when Dilute Hydrochloric acid is added to Sodium thiosulphate.
Give reason for the following:
An aqueous solution of chlorine in acidic in nature
Hint : Cl2 + H2O ⟶ HCl +HClO
Convert two soluble metallic nitrates to insoluble metallic chlorides using dil. HCl.
State which component is the oxidizing agent in aqua regia.
Name the following:
Salt obtained by heating sodium chloride with concentrated sulphuric acid below 200 degree celcius.
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
State your observation when:
Decomposition of bicarbonates by dil. H2SO4
2NaHCO3 + H2SO4 → Na2SO4 + 2H2O + 2CO2
2KHCO3 + H2SO4 → K2SO4 + 2H2O + 2CO2
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D, and E.
