What is the oxidation state of central atom in $C a [P t C l_{4}]$ ?

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Solution

The correct option is A $2$
$C a [P t C l_{4}] \Leftrightarrow C a^{+ 2} {[P t C l_{4}]}^{2 -}$
Take ${[P t C l_{4}]}^{2 -} .$ Central atom $= P t .$
Let $x$ be the oxidation no. of $P t$ ,
$C l$ oxidation no. is $- 1$ .
$x + 4 (- 1) = - 2$
$x - 4 = - 2$
$x = 2$

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