1. Tardigrade
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  3. Chemistry
  4. An oxide of vanadium is used as a catalyst in the contact process for the manufacture of sulphuric acid. The oxidation number of vanadium in this oxide is .

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Q. An oxide of vanadium is used as a catalyst in the contact process for the manufacture of sulphuric acid. The oxidation number of vanadium in this oxide is ____.

The d-and f-Block Elements

Solution:

$V _{2} O _{5}$ is used as catalyst in contact process. Oxidation number of $V$ in $V _{2} O _{5}$ is $+5$.