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प्रश्न
Write balanced equation for the following reaction:
Red lead (trilead tetroxide) is warmed with concentrated hydrochloric acid.
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उत्तर
\[\ce{\underset{\text{Trilead tetroxide}}{Pb3O4} + 8HCl -> \underset{\text{Lead chloride}}{3PbCl2(aq)} + 4H2O + Cl ^}\]
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संबंधित प्रश्न
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.
Give two tests for hydrochloric acid.
How can you prove that hydrochloric acid contain :
Hydrogen
Fill in the blank:
Aqua-regia is a mixture of ___________ .
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 ?
Write a balanced equation for the reaction of zinc and dilute hydrochloric acid.
The following question is pertaining to the laboratory preparation of hydrogen chloride gas.
State a safety precaution you would take during the preparation of hydrochloric acid.
