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  3. Chemistry
  4. Give reasons: CrO3, is an acid anhydride.

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Q. Give reasons : $CrO_3$, is an acid anhydride.

IIT JEEIIT JEE 1999The d-and f-Block Elements

Solution:

$CrO_3$ is anhydride of chromic acid :
$CrO_3 + H_2O \rightarrow \underset{\text{Chromic acid}}{H_2CrO_4}$