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Assigning Oxidation Numbers

State whether...

Question

State whether the following conversions are oxidation or reduction reactions.
$2 C l^{-} \to C l_{2} + 2 e^{-}$

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Solution

Oxidation: A process in which the oxidation state of an atom or ion increases by losing electrons.

In the given reaction oxidation state of chlorine increases from -1 to 0. So, chlorine gets oxidized.

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Assigning Oxidation Numbers

Standard XII Chemistry

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