Advertisements
Advertisements
प्रश्न
Write equation for the reaction between hydrochloric acid of the following: Manganese dioxide
उत्तर
\[\ce{\underset{\text{Manganese dioxide}}{MnO2} + 4HCl -> \underset{\text{Manganese chloride}}{MnCl2(aq)} + 2H2O + Cl2 ^}\]
APPEARS IN
संबंधित प्रश्न
What would happen if :
Concentrated hydrochloric acid is kept open.
What would happen if
Hydrogen chloride prepared in laboratory, is passed through water, using a delivery tube.
Write three equations to show that hydrochloric acid acts as an acid.
Name the gas evolved when an oxide and concentrated hydrochloric acid are heated.
What wilI you observed when concentrated HCI is added to lead (IV) oxide and warmed ?
State one reason why tap water is not used to prepare a solution of silver nitrate in the laboratory.
Aqua regia is a mixture of ______.
In the laboratory preparation of hydrochloric acid, \[\ce{HCl}\] gas is dissolved in water.
- Draw a diagram to show the arrangement used for the absorption of \[\ce{HCl}\] gas in water.
- State why such an arrangement is necessary? Give two reasons for the same.
- Write the chemical equation for the laboratory preparation of \[\ce{HCl}\] gas when the reactants are:
- Below 200°C
- Above 200°C
State one appropriate observation of the following:
Action of dilute HCl or sodium sulphite.
State your observation when :
Dilute hydrochloric acid is added to copper carbonate.
