Question
Tue February 01, 2011 By: Arun Iyer

It is observed that monuments namely Taj Mahal are losing its charm day by day due to air pollution. Explain and write the possible relations behind it.

Expert Reply
Tue February 01, 2011
 H2O (l) + CO2 (g) → H2CO3 (aq)
 
Carbonic acid then can ionize in water forming low concentrations of hydronium and carbonate ions:
2 H2O (l) + H2CO3 (aq) CO32− (aq) + 2 H3O+ (aq)
 
Acid deposition as an environmental issue would include additional acids to H2CO3.
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