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Valency and Oxidation State

Question

When ${C l}^{-}$ is converted into ${C l}_{2}$ , change in oxidation number is :
$3$ units
$2$ units
$1$ units
none of these

A

none of these

B

1

units

C

2

units

D

3

units

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Solution

Verified by Toppr

The reaction is ${C l}^{-} - 1 ⟶ \frac{1}{2} {C l}_{2} 0$
Change in oxidation number $= 1$ unit.

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