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प्रश्न
Explain the term reduction in term of addition and removal of oxygen/hydrogen with a suitable example.
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उत्तर
Reduction: Addition of hydrogen or removal of oxygen is called reduction.
\[\ce{CuO + H2->Cu + H2O}\]
Copper oxide is reduced to `"Cu"`
\[\ce{H2S + \underset{\text{Reduced}}{Cl2->2HCl} + S}\]
Chlorine is reduced, as addition of hydrogen.
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संबंधित प्रश्न
Define reduction in terms of gain or loss of hydrogen with one example.
When a magnesium ribbon is heated, it burns in air to form magnesium oxide. Write a balanced chemical equation for this reaction. Name (i) substance oxidised, and (ii) substance reduced.
In the reaction represented by the following equation:
CuO (s) + H2 (g) → Cu (s) + H2O (1)
(a) name the substance oxidised
(b) name the substance reduced
(c) name the oxidising agent
(d) name the reducing agent
Hydrogen burns with a ______ flame and ______ sound is heard.
Give scientific reason.
It is reccommended to use air tight container for storing oil for long time.
Compare hydrogen with alkali metals on the basis of:
Oxide formation
Divide the following reactions into oxidation and reduction half-reaction:
Zn + Cu2+ → Cu + Zn 2+
Write the equation in the ionic form
CuSO4(aq) + Fe(s)→ FeSO4(aq) + Cu(s)
Complete and balance the following equation:
H2 + S → ___________
Zinc liberates hydrogen gas when reacted with dilute hydrochloric acid whereas copper does not. Explain why?
