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प्रश्न
Complete and balance the following reaction.
Fe + H2O →_____________ +___________
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उत्तर
3Fe + 4H2O ⇋Fe3O4 + 4H2
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संबंधित प्रश्न
Fill in the blank
Hydrogen is ..................... than air.
A metal ______ hydrogen in the reactivity series gives hydrogen with ______.
How did the name 'hydrogen' originate?
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Potassium- K + H2O → ______+ ______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Magnesium - Mg + 2HCl → ______+ _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Aluminium - 2Al + 3H2SO4 → ______+ _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals - alkali [conc. soln.]
Lead - Pb + 2NaOH → ______ + _______ [g]
How did the name ‘hydrogen’ originate? How does hydrogen occur in the combined state?
Give a balanced equation for obtaining hydrogen from?
Steam using a metal – and the reaction is reversible.
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Fe3O4 + H2}\]
