Transition and InnerTransition Elements - Result Question 164
####64. Give reasons: $CrO _3$ is an acid anhydride.
$(1999,2 M)$
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Solution:
- $CrO _3$ is anhydride of chromic acid :
$CrO _3+H _2 O \longrightarrow \underset{\text { Chromic acid }}{H _2 CrO _4}$