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प्रश्न
Name an element which reacts with hydrogen to form a compound which is strongly acidic in water.
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उत्तर
Chlorine
The compound formed, which is strongly acidic in water, is HCl.
\[\ce{H2 + Cl2 -> 2HCl}\]
संबंधित प्रश्न
Write an equation for the reaction of aqueous hydrochloric acid on lead nitrate solution.
Give reason for the following:
An aqueous solution of chlorine in acidic in nature
Hint : Cl2 + H2O ⟶ HCl +HClO
State the composition of aqua regia. State which component is the oxidizing agent in aqua regia.
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 equation for the following reaction:
Copper oxide and dilute hydrochloric acid.
Write balanced equcation for the following reaction:
Manganese (IV) oxide and concentrated hydrochloric acid.
How will you distinguish between the two black samples, CuO and MnO2 with a chemical test?
Give a chemical test to distinguish between the following pair of compounds:
Hydrogen chloride gas and hydrogen sulphide gas
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Iron (II) sulphide
Write an equation for the reaction of hydrochloric acid on manganese (IV) oxide.
