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Q. The nature of oxides $V _{2} O _{3}$ and $CrO$ is indexed as ' $X$ ' and ' $Y$ ' type respectively. The correct set of $X$ and $Y$ is:

JEE MainJEE Main 2021The d-and f-Block Elements

Solution:

$V _{2} O _{3}$ basic
$CrO $ basic