13ACIDBASE_1

13ACIDBASE_1 - ACIDS 1) Sour Taste: 2) Dissolve active...

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Unformatted text preview: ACIDS 1) Sour Taste: 2) Dissolve active metals, usually liberating H 2 . 3) Corrosive – dissolve compounds that are otherwise hard to dissolve. 4) Turn litmus paper RED . BASES 1) Bitter taste. 2) Dissolve oil and grease. 3) Slippery to the touch 4) React with many metal ions to form precipitates. 5) Turn litmus paper BLUE Arrhenius ACID: Any compound that releases H + when dissolved in H 2 O. Example: Arrhenius BASE: Any compound that releases OH ! when dissolved in H 2 O. Example: ARRHENIUS ACIDS AND BASES Hydronium ion Proton transfer Br Ø nsted ACID: Any compound capable of donating a H + ion. Example: Br Ø nsted BASE: Any compound capable of accepting a H + ion . Example: BRØNSTED - LOWRY ACIDS AND BASES CONJUGATE ACID BASE PAIRS CONJUGATE ACID BASE PAIRS Differ only by the presence or absence of a proton (H + ). Conjugate Acid = Conjugate Base + H + Examples: Note: The stronger the acid, the weaker its conjugate base. The weaker the acid, the stronger its conjugate base. The conjugate of a weak acid is a weak base . The conjugate of a strong acid is a spectator ion (example: Cl ! is the conjugate base of HCl). The conjugate acid of OH ! Br Ø nsted ACID: Any compound capable of donating a H + ion. Example: Br Ø nsted BASE: Any compound capable of accepting a H + ion . Example: BRØNSTED - LOWRY ACIDS AND BASES CONJUGATE ACID BASE PAIRS CONJUGATE ACID BASE PAIRS Differ only by the presence or absence of a proton (H + )....
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This note was uploaded on 07/23/2008 for the course CHEM 112 taught by Professor Vandersluys,lorschmid,kylem during the Fall '07 term at Penn State.

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13ACIDBASE_1 - ACIDS 1) Sour Taste: 2) Dissolve active...

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