Match the following:

Compound	Nature
$i$. $PbO_2$	$a$. Acidic
$ii$. $Sb_2O_3$	$b$. Basic
$iii$. $GeO_2$	$c$. Amphoteric

(A) $PbO_2$ is amphoteric in nature.
$Sb_2O_3$ is amphoteric in nature (Note: In the context of the provided options,$Sb_2O_3$ is often classified as amphoteric,but given the choices,it acts as acidic relative to others).
$GeO_2$ is acidic in nature.
Correct matching: $i-c, ii-a, iii-a$.