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प्रश्न
Define the following in terms of gain or loss of hydrogen with one example:
Oxidation
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उत्तर
The loss of hydrogen from a substance is also called oxidation.
When hydrogen sulphide reacts with chlorine, then sulphur and hydrogen chloride are formed.
\[\ce{\underset{Hydrogen sulphide}{H2S} + \underset{Chlorine}{Cl2} -> \underset{Sulphur}{S} + \underset{Hydrogen chloride}{2HCl}}\]
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संबंधित प्रश्न
A shiny brown-coloured element ‘X’ on heating in air becomes black in colour. Name the element ‘X’ and the black-colored compound formed.
Define corrosion.
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Define the following in terms of gain or loss of hydrogen with one example:
Reduction
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
Cl2 + H2S → 2HCl + S
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- oxidizing agent
- substance oxidized
- reducing agent
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Divide the above equation into oxidation and reduction half-reactions.
Name:
a solid that is an oxidizing agent.
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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"`
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`2"H"_2 + "O"_2 -> 2"H"_2"O"`
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Ca in CaH2
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\[\ce{2Mg + O2 -> 2MgO}\]
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