In which pair of species is the oxidation num | vedclass

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(B) To find the oxidation number of $Cl$ in each species:$1$. In $ClO^-$,$x + (-2) = -1 \implies x = +1$.$2$. In $HClO_3$,$1 + x + 3(-2) = 0 \implies

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$ICl, NaCl$

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(B) To find the oxidation number of $Cl$ in each species:$1$. In $ClO^-$,$x + (-2) = -1 \implies x = +1$.$2$. In $HClO_3$,$1 + x + 3(-2) = 0 \implies x = +5$.$3$. In $ICl$,$I$ is more electropositive than $Cl$,so $Cl$ has an oxidation state of $-1$.$4$. In $NaCl$,$Na$ is $+1$,so $Cl$ has an oxidation state of $-1$.$5$. In $ClF_3$,$F$ is $-1$,so $x + 3(-1) = 0 \implies x = +3$.Comparing the pairs,in the pair $ICl$ and $NaCl$,the oxidation number of $Cl$ is $-1$ in both.

In which pair of species is the oxidation number of chlorine the same?

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