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1. Explain Arrhenius concept of acids and bases with suitable examples. 2. How proton exists in aqueous solution? Give reason. |
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Answer» 1. According to Arrhenius theory, acids are substances that dissociates in water to give hydrogen ions, H+(aq) and bases are substances that produce hydroxyl ions, OH- (aq). For example, HCl is an Arrhenius acid and NaOH is an Arrhenius base. 2. In aqueous solution the proton bonds to the oxygen atom of a solvent water molecule to give trigonal pyramidal hydronium ion, H3O+ (aq). This is because a bare proton, H+ is very reactive and cannot exist freely in aqueous solutions. |
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