Valency of $C r$ in $C r P O_{4}$ is:

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Solution

The correct option is A 3
In $C r P O_{4}$ molecule, $P O_{4}^{3 -}$ ion having valency of $3$ ,

Let the oxidation state of $C r$ is $x .$

$x - 3 = 0$

$x = 3$ is the valency of $C r$ in $C r P O_{4}$

Hence, 3 is the answer.

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