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Question
Define reduction.
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Solution
Those reactions in which hydrogen combines with a substance or oxygen is removed from a substance, are known as reduction reactions.
Example: \[\ce{2HgO->[heat]2Hg +O2}\]
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RELATED QUESTIONS
In the reaction represented by the following equation:
CuO (s) + H2 (g) → Cu (s) + H2O (1)
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(c) name the oxidising agent
(d) name the reducing agent
Identify the substances that are oxidised and the substances that are reduced in the following reaction.
\[\ce{CuO_{(s)} + H2_{(g)} -> Cu_{(s)} + H2O_{(l)}}\]
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Cl2 + 2Br- → Br2 + 2Cl-
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Explain the term reduction in term of addition and removal of oxygen/hydrogen with a suitable example.
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