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प्रश्न
Write balanced equcation for the following reaction:
Manganese (IV) oxide and concentrated hydrochloric acid.
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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
For the preparation of hydrochloric acid in the laboratory:
What arrangement is done to dissolve hydrogen chloride gas in water?
Convert two soluble metallic nitrates to insoluble metallic chlorides using dil. HCl.
State which component is the oxidizing agent in aqua regia.
Name the following:
Gas obtained by treating ferrous sulphide with hydrochloric acid.
What is the function of HCI in preparation of aqua-regia?
Fill in the blank:
On addition of silver nitrate to hydrochloric acid ___________ precipitate is formed which is soluble in ____________
How will you identify?
An amphoteric hydroxide
Identify the salts P and Q from the observation given below:
When dilute HCl is added to a salt Q, a brisk effervescence is produced and the gas turns lime water milky. When NH4OH soltion is added to the above mixture (after adding dilute HCl), it produces a white precipitate which is soluble in excess NH4OH solution.
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Iron (II) sulphide
State your observation when:
Decomposition of bicarbonates by dil. H2SO4
2NaHCO3 + H2SO4 → Na2SO4 + 2H2O + 2CO2
2KHCO3 + H2SO4 → K2SO4 + 2H2O + 2CO2
