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प्रश्न
Write balanced equation for the following reaction:
Red lead (trilead tetroxide) is warmed with concentrated hydrochloric acid.
उत्तर
\[\ce{\underset{\text{Trilead tetroxide}}{Pb3O4} + 8HCl -> \underset{\text{Lead chloride}}{3PbCl2(aq)} + 4H2O + Cl ^}\]
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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.
What would happen if :
Concentrated hydrochloric acid is kept open.
Fill in the blank:
The white precipitate of lead chloride is soluble in _________
Outline the steps required to convert hydrogen chloride to anhydrous FeCl3. Write equations for the equations involved.
Write equation for the reaction between hydrochloric acid of the following: Bleaching powder
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 :
Copper sulphate is treated with dilute hydrochloric acid
State one appropriate observation of the following:
Concentrated HCl is made to react with mangesediaoxide
