Advertisements
Advertisements
प्रश्न
Write an equation for the reaction of hydrochloric acid on copper oxide.
Advertisements
उत्तर
\[\ce{CuO + 2HCl -> CuCl2 + H2O}\]
संबंधित प्रश्न
Potassium sulfite on reacting with hydrochloric acid releases _______ gas. (Cl2, SO2, H2S)
For the preparation of hydrochloric acid in the laboratory:
What arrangement is done to dissolve hydrogen chloride gas in water?
How will the action of dilute hydrochloric acid enable you to distinguish between sodium thiosulphate and sodium sulphite?
Give three distinct test [apart from using an indicator] you would carry out with solution of HCl to illustrate the typical properties of an acid.
State which component is the oxidizing agent in aqua regia.
What would happen if
Calcium oxide is used to dry 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.
Identify the anion present of the following compound:
When barium chloride solution is added to salt solution E a white precipitate insoluble in dilute hydrochloric acid is obtained
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Magnesium sulphite
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D, and E.
