Advertisements
Advertisements
प्रश्न
Write an equation for the reaction of hydrochloric acid on magnesium foil.
Advertisements
उत्तर
\[\ce{Mg + 2HCl -> MgCl2 + H2}\]
संबंधित प्रश्न
State your observations when Dilute Hydrochloric acid is added to Sodium thiosulphate.
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.
Write an equation for the reaction of hydrochloric acid on copper oxide.
Give reason for the following:
An aqueous solution of chlorine in acidic in nature
Hint : Cl2 + H2O ⟶ HCl +HClO
Name the following:
Drying agent used to dry hydrogen chloride.
Name the following:
Salt obtained by heating sodium chloride with concentrated sulphuric acid below 200 degree celcius.
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 balanced equcation for the following reaction:
Manganese (IV) oxide and concentrated hydrochloric acid.
What is the property of concentrated sulphuric acid (H2SO4) which allows it to be used in the preparation of hydrogen chloride (HCl) and nitric acid (HNO3)?
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Iron
