# CO2 will show acidic properties or not . why

Dear Student,

Carbon dioxide(CO2 is considered to be as acid or we can say it as a Lewis acid, due Resonance it acts as a Lewis acid.
Another factor-

CO2  forms carbonic acid in reaction with water-

H2O  +  CO2  $\to$    H2CO3
​Hence CO2 acidic in nature,
Regards

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