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प्रश्न
Name the following:
Five oxidizing agents that liberated chlorine from concentrated hydrochloric acid.
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उत्तर
Five oxidizing agents that liberated chlorine from concentrated hydrochloric acid are -
(a) MnO2
(b) PbO2
(c) KMnO4
(d) K2Cr2O7
(e) CaOCl2
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संबंधित प्रश्न
Explain why anhydrous HCl is a poor conductor while aqueous HCl is an excellent conductor.
MnO2, PbO2 and red lead react with conc. HCl acid to liberate Cl2.
What is the common property being shown by these metal oxides?
What would happen if
Calcium oxide is used to dry hydrogen chloride.
Write balanced equation for the following reaction:
Copper oxide and dilute hydrochloric acid.
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 the balanced equation for the reaction of dilute hydrochloric acid with the following:
Sodium hydrogen carbonate
Write observation:
Lead nitrate solution is mixed with dilute hydrochloric acid and heated.
Write observation:
A small piece of zinc is added to dilute hydrochloric acid.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
