Advertisements
Advertisements
Question
Name the following:
Five oxidizing agents that liberated chlorine from concentrated hydrochloric acid.
Solution
Five oxidizing agents that liberated chlorine from concentrated hydrochloric acid are -
(a) MnO2
(b) PbO2
(c) KMnO4
(d) K2Cr2O7
(e) CaOCl2
APPEARS IN
RELATED QUESTIONS
Select from the list the gas that matches the description given in case
[ammonia, ethane, hydrogen chloride, hydrogen sulfide, ethyne]
This gas has a characteristic rotten egg smell.
Explain why dilute hydrochloric acid cannot be concentrated by boiling beyond 22.2%.
Name the following:
Gas obtained by treating ferrous sulphide with hydrochloric acid.
What must be added to sodium chloride to prepare hydrogen chloride?
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 a fully balanced of the following case :
Red lead is warmed with concentrated hydrochloric acid.
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.
Write an equation for the reactions of hydrochloric acid on manganese (IV) oxide.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.