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प्रश्न
Write equation for the reaction between hydrochloric acid of the following: Manganese dioxide
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उत्तर
\[\ce{\underset{\text{Manganese dioxide}}{MnO2} + 4HCl -> \underset{\text{Manganese chloride}}{MnCl2(aq)} + 2H2O + Cl2 ^}\]
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संबंधित प्रश्न
How will you prepare hydrochloric acid in laboratory? OR
Describe briefly the method employed to dissolve hydrogen chloride gas in water as it is prepared. What is the purpose of funnel while preparing hydrochloric acid from HCI gas?
Explain, why (or give reasons for)
Hydrochloric acid cannot be concentrated above 22.2% by boiling.
Explain, why (or give reasons for)
Only a very dilute solution of hydrogen chloride in water can be concentrated by boiling the solution while a very concentrated solution would become less concentrated when boiled.
Explain, why (or give reasons for)
A solution of HCl gas in water turns blue litmus red and conducts electricity, while HCI gas dissolves in toluene and it has no effect on litmus and does not conduct electricity.
What would happen if :
Concentrated hydrochloric acid is kept open.
Fill in the blank:
___________ agent converts hydrochloric acid to chlorine.
What wilI you observed when concentrated HCI is added to lead (IV) oxide and warmed ?
In the laboratory preparation of hydrochloric acid, HCl gas is dissolved in water.
- Draw a diagram to show the arrangement used for the absorption of 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 HCl gas when the reaction is:
- 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 sodium thiosulphate.
