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Acids and Bases

Why is one arrow required for the dissociation of a strong acid?

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May 16, 2012 6:39AM

Double arrow means reversible reaction while single arrow represents complete reaction.For strong acid such as HCl,they undergo ionization to form H+ and Cl-.For weak acid such as H2CO3,it undergoes reversible reaction.

H2CO3->H+ + HCO3-

HCO3- <->H+ + CO3 2-