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प्रश्न
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
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उत्तर
(i) Iron (III) chloride
(ii) Lead (II) chloride
(iii) Nitroso iron (II) sulphate
(iv) Sodium chloride
(v) Chromium sulphate
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संबंधित प्रश्न
State one relevant observation for given reactions:
Action of dilute Hydrochloric acid on iron (II) sulfide.
State your observation when dilute hydrochloric acid is added to a lead nitrate solution and the mixture is heated.
The acid on mixing with silver nitrate solution produces a white precipitate which is soluble in excess ammonium hydroxide
State your observation When moist starch iodide paper is introduced into chlorine gas.
Write an equation for the reaction of hydrochloric acid on the silver nitrate solution.
MnO2, PbO2 and red lead react with conc. HCl acid to liberate Cl2.
What is the common property being shown by these metal oxides?
A solution of hydrogen chloride in water is prepared. The following substances are added to separate portions of the solution:
| S. No. | Substances added | Gas evolved | Odour |
| 1. | Calcium carbonate | _________ | _________ |
| 2. | Magnesium ribbon | _________ | _________ |
| 3. | Manganese (IV) oxide with heating | _________ | _________ |
| 4. | Sodium sulphide | _________ | _________ |
Complete the table by writing the gas evolved in each case and its odour.
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Iron
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.
