Match the statements given in List-$I$ with the oxidation states given in List-$II$:
List-$I$ List-$II$ $A$. Oxidation state of $Mn$ in $MnO_2$ $i$. $+2$ $B$. Most stable oxidation state of $Mn$ $ii$. $+3$ $C$. Maximum stable oxidation state of $Mn$ in oxides $iii$. $+4$ $D$. Characteristic oxidation state of Lanthanoids $iv$. $+5$ $v$. $+7$
| List-$I$ | List-$II$ |
|---|---|
| $A$. Oxidation state of $Mn$ in $MnO_2$ | $i$. $+2$ |
| $B$. Most stable oxidation state of $Mn$ | $ii$. $+3$ |
| $C$. Maximum stable oxidation state of $Mn$ in oxides | $iii$. $+4$ |
| $D$. Characteristic oxidation state of Lanthanoids | $iv$. $+5$ |
| $v$. $+7$ |
(A-III, B-I, C-V, D-II) $A \rightarrow iii$ ($MnO_2$: $x + 2(-2) = 0 \Rightarrow x = +4$)
$B \rightarrow i$ (The most stable oxidation state of $Mn$ is $+2$)
$C \rightarrow v$ (The maximum stable oxidation state of $Mn$ in oxides is $+7$,as in $Mn_2O_7$)
$D \rightarrow ii$ (The characteristic oxidation state of Lanthanoids is $+3$)
$B \rightarrow i$ (The most stable oxidation state of $Mn$ is $+2$)
$C \rightarrow v$ (The maximum stable oxidation state of $Mn$ in oxides is $+7$,as in $Mn_2O_7$)
$D \rightarrow ii$ (The characteristic oxidation state of Lanthanoids is $+3$)
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