limitation of neutralisation reaction
Answers
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1 for acidic properties ,the presence of water is absolutely necessary
2 concept doesn't explain
acidic or basic properties in non aqueuous solvents
3 it can't explain acidic character of AgCl4
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Acids and bases are defined in terms of their aqueous solution and not in terms of the substances themselves. Hence this theory is applicable to aqueous solutions only and not applicable to non-aqueous and gaseous reactions. It is applicable only to compounds having formula HA for acids or BOH for bases. Thus the theory is unable to explain acidic properties of CuSO4, AlCl3, CO2, SO2 as they cannot be represented by the formula HA. Similarly, the theory is unable to explain the basic properties of Na2CO3, amines, pyridine, NH3 as they cannot be represented by the formula BOH. The theory does not consider the role of solvent in deciding the nature of acid and base. Thus HCl is strong acid when dissolved in water but it is weak acid when dissolved in benzene. This theory doesn’t explain acidic property of HCl and basic property of NH3 in a nonaqueous medium like benzene, acetone or in the gaseous state.