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Acetic acid, when dissolved in water, it dissociates into ions reversibly because it is a:

(a) strong base (b) weak base (c) strong acid (d) weak acid

Plz help with this Class XIII question.


Acetic acid is a weak acid hence option (d) is correct .

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When an uncharged weak acid is added to water, a homogeneous equilibrium forms in which aqueous acid molecules, HA(aq), react with liquid water to form aqueous hydronium ions and aqueous anions, A-(aq). The latter are produced when the acid molecules lose H+ ions to water.HA(aq)  +  H2O(l)      H3O+(aq)  +  A-(aq)
so ans is d becuse acetic acid is weak acid
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