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19.1 Acid-Base Theories

19.1 Acid-Base Theories. What does an acid taste like? What does a base taste like? . Acids . Compound that contains one or more Hydrogen atoms and produces Hydrogen ions (H + ) when dissolved in water. Taste tart or sour Lemons Vinegar. Bases. Compounds that produce Hydroxide ions

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19.1 Acid-Base Theories

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  1. 19.1 Acid-Base Theories What does an acid taste like? What does a base taste like?

  2. Acids • Compound that contains one or more Hydrogen atoms and produces Hydrogen ions (H+) when dissolved in water. • Taste tart or sour • Lemons • Vinegar

  3. Bases • Compounds that produce Hydroxide ions (OH-) when dissolved in water. • Taste bitter – but most are hazardous - Soap - Milk of magnesia

  4. Arrhenius Acids and Bases • Acids are hydrogen containing compounds that ionize to yield H+ in aqueous solutions. • Bases yield OH- ions in aqueous solutions. • Only the more polar bonds will ionize.

  5. HCl + H2O → H3O+ + Cl- Hydrogen Water Hydronium Chloride Chloride Ion Ion Monoprotic Acids - HNO3 – one ionizable H Diprotic Acids H2SO4 Triprotic H3PO4

  6. Bronsted – Lowrey Acids and Bases • Acids are Hydrogen Ion donors • Bases are Hydrogen Ion acceptors Pg 590

  7. Conjugate Acids and Bases

  8. Lewis Acids and Bases • Acids accept a pair of electrons during a reaction • Bases donate a pair of electrons during a reaction

  9. Lewis Acids and Bases

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