Strong and Weak Acid(Base) Strong acid(base) Strong acid completely dissociated into h+& anions in water (e.g.HC,HN○3,H2SO4,HBr,H,HC|O4…) Strong base: completely dissociated into OH& cations in water (all IA, IIA cations hydroxide, e.g. NaOH, Ba(OH)2,.) Weak acid(base) Weak acid: partially dissociated, majority as molecules e.g. HF, HCIO, HCN, H2s, HCOoH (formic acid), CH3COOH (acetic acid), HCO3, H2o, Weak base: partially dissociated, majority as molecules e.g. NH3, (CH3)NH2,(CH3)3N, C6H5NH2(aniline), HCO3, H2O,... 3Strong () and Weak Acid (Base) z Strong acid (base) „ Strong acid: completely dissociated into H+ & anions in water (e g HCl HNO3 H2SO4 HBr HI HClO4 (e.g. HCl, HNO ) 3, H2SO4, HBr, HI, HClO4, …) „ Strong base: completely dissociated into OH- & cations in water (all IA, IIA cations’ hydroxide, e.g. NaOH, Ba(OH)2, …) z Weak acid (base) Weak acid (base) „ Weak acid: partially dissociated, majority as molecules ¾ e.g. HF, HClO, HCN H,S HCOOH (f i id) CH COOH ( ti 2S, HCOOH (formic acid), CH3COOH (acetic acid), HCO3-, H2O, … „ Weak base: partially dissociated majority as molecules Weak base: partially dissociated, majority as molecules ¾ e.g. NH3, (CH3)NH2, (CH3)3N, C6H5NH2 (aniline), HCO3-, H2O, … 3