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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
State your observation when dilute hydrochloric acid is added to a lead nitrate solution and the mixture is heated.
Name the gas that is produced in the given cases :
An action of dilute hydrochloride acid on sodium sulphide.
Explain why anhydrous HCl is a poor conductor while aqueous HCl is an excellent conductor.
Write an equation for the reaction of hydrochloric acid on caustic soda solution.
What is the function of HCI in preparation of aqua-regia?
Fill in the blank:
On addition of silver nitrate to hydrochloric acid ___________ precipitate is formed which is soluble in ____________
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 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.
