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प्रश्न
Explain the following in term of gain or loss of oxygen with two examples.
Oxidation
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उत्तर
Oxidation is a reaction which involves addition or gain of oxygen. For example:
\[\ce{4Na + O2 -> 2Na2O}\]
\[\ce{2Cu + O2 ->[Heat] 2CuO}\]
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संबंधित प्रश्न
Explain the following in term Oxidation of gain or loss of oxygen with two example.
In the reaction represented by the equation:
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
(i) name the substance oxidised.
(ii) name the oxidising agent.
(iii) name the substance reduced.
(iv) name the reducing agent.
Define reduction in terms of gain or loss of hydrogen with one example.
Define an oxidation reaction.
Identify the substances that are oxidised and the substances that are reduced in the following reaction.
\[\ce{CuO_{(s)} + H2_{(g)} -> Cu_{(s)} + H2O_{(l)}}\]
Explain the following in term Reduction of gain or loss of oxygen with two example.
Identify from the reaction the reactants that undergo oxidation and reduction.
2Mg + O2 → 2MgO
Give the general group study of hydrogen with reference to
burning
Give the general group study of hydrogen with reference to
reducing power
Why zinc and aluminium are considered to have a unique nature. Give balanced equations to support your answer.
State whether the following conversion is oxidation or reduction:
2Cl- - e-→ Cl2
Name:
a liquid that is an oxidizing agent as well as a reducing agent.
State a reason why, when hydrogen is passed over heated copper oxide, the resultant product formed, differs in colour from the original reactant.
When the positive charge on an ion increases or the negative charge on them decreases it is called as _______.
Rusting of iron involves a chemical reaction which is a combination of:
Identify the oxidising agent (oxidant) in the following reactions
`"CuSO"_4 + "Zn" -> "Cu" + "ZnSO"_4`
Zinc liberates hydrogen gas when reacted with dilute hydrochloric acid whereas copper does not. Explain why?
What is rancidity?
Find the oxidation number of the element in the following compound.
Ca in CaH2
The oxidizing agent in the equation \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\] is ______.
