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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.
\[\ce{H2 + Cl2 -> 2HCl}\]
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संबंधित प्रश्न
Complete the following by selecting the correct option from the choices given:
The metal which does not react with water or dilute H2SO4 but reacts with concentrated H2SO4 is _________. (Al/Cu/Zn/Fe)
Write a balanced equation for the action of dilute hydrochloric acid on sodium sulphide.
For the preparation of hydrochloric acid in the laboratory:
What arrangement is done to dissolve hydrogen chloride gas in water?
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
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.
What would happen if
Calcium oxide is used to dry hydrogen chloride.
Write balanced equation for the following reaction:
Copper oxide and dilute hydrochloric acid.
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.
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
