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प्रश्न
Give the general group study of hydrogen with reference to
reducing power
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उत्तर
Hydrogen acts as a reducing agent.
CuO + H2 → Cu + H2O
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संबंधित प्रश्न
Identify in the following reaction (a) the substance oxidised, and (b) the substance reduced:
\[\ce{ZnO + C -> Zn + CO}\]
In the context of redox reactions, the removal of hydrogen from a substance is known as ______.
Explain the following in term of gain or loss of oxygen with two examples.
Oxidation
Divide the following reactions into oxidation and reduction half-reaction:
Zn + Pb2+→ Pb + Zn 2+
Name:
a gas that is oxidizing as well as a reducing agent.
Explain the term redox reaction with an example involving the reaction of hydrogen sulphide with chlorine.
In the reaction of iron with copper sulphate solution:
CuSO4 + Fe → Cu + FeSO4
Which option in the given table correctly represents the substance oxidized and the reducing agent?
| OPTION | Substance Oxidized | Reducing Agent |
| A | Fe | Fe |
| B | Fe | FeSO4 |
| C | Cu | Fe |
| D | CuSO4 | Fe |
Identify the reducing agent in the following reactions -
`"H"_2"O" + "F"_2 -> "HF" + "HOF"`
During the reaction of some metals with dilute hydrochloric acid, following observations are made.
Silver metal does not show any change
Explain this observation giving suitable reason.
Identify the type of chemical reaction given below:
\[\ce{2Mg + O2 -> 2MgO}\]
