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प्रश्न
Give a balanced equation for the following conversion.
\[\ce{CO + H2<-H2O->CO2 + H}\]
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उत्तर
\[\ce{C + H2O-> [CO + H2]}\]
\[\ce{[CO + H2] + H2O->CO2 + 2H2}\]
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संबंधित प्रश्न
For laboratory preparation of hydrogen, give the following:
method of collection
Give reason for the following:
Purified and dried hydrogen is collected over mercury.
Give reason for the following:
Dilute sulphuric acid cannot be replaced by concentrated acid in the preparation of hydrogen.
Hydrogen may be prepared in the laboratory by the action of a metal on an acid.
Which of the acids dilute sulphuric, concentrated sulphuric, dilute nitric acid and concentrated nitric acid would you choose? Explain why you would not use the acids you reject.
Why are the following metals not used in the lab. preparation of hydrogen?
aluminium
Give reason for the following:
In the preparation of hydrogen by electrolysis of water – the distilled water used is acidified.
Select the correct options for the following statement:
A metal which reacts with water to give a metallic hydroxide & liberate hydrogen.
Select the correct options for the following statement:
The acid _____ is not Used in the laboratory preparation of hydrogen, using zinc and an acid.
Account for the following fact:
Potassium and sodium are not used to react with dilute ‘hydrochloric acid or dilute sulphuric acid in the laboratory preparation of hydrogen.
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Fe3O4 + H2}\]
