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Why cr2o3 known as acidic hydride

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Why cr2o3 known as acidic hydride

Posted by Ajay Singh 5 years, 9 months ago

CBSE > Class 12 > Chemistry

1 answers

Abc ?⏳ 5 years, 9 months ago

An acid anhydride is a compound obtained by the removal of water from 2 moles of an acid(generally carboxylic acids). CrO3 (chromium trioxide) is called an acidic anhydride because: CrO3+H2O→H2CrO4 i.e. the compound on gaining a water molecule becomes an acid (chromic acid here). ... Thus CrO3 is acidic in nature.

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