Oxidation state of iodine in $I C l_{2}^{-}$ is :

+ 1

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Solution

The correct option is B + 1
Cl is in -1 oxidation state since it has lower atomic number than iodine. Let the oxidation state of iodine be x.
$x + (- 1) \times 2 = - 1$
$∴ x = + 1$

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