AP Chemistry Unit 8- Homework Problems Ka and Kb Acid & Base ...
AP Chemistry Unit 8- Homework Problems Ka and Kb Acid & Base ...
AP Chemistry Unit 8- Homework Problems Ka and Kb Acid & Base ...
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Lewis <strong>Acid</strong>s & <strong>Base</strong>s<br />
1. What is the definition of a Lewis <strong>Acid</strong>?<br />
2. What is the definition of a Lewis <strong>Base</strong>?<br />
3. What is an amphoteric substance?<br />
4. Give 4 examples of amphoteric substances.<br />
5. Aluminum hydroxide, Al(OH) 3 , is a famous amphoteric substance.<br />
a. Write an equation showing Al(OH) 3 acting as a Bronsted base<br />
b. Write an equation showing Al(OH) 3 acting as a Lewis acid<br />
6. In the following equations, which species is acting as the Lewis acid <strong>and</strong> the Lewis base?<br />
a. NH 3 + BF 3 BF 3 NH 3<br />
b. SnCl 4 + 2 Cl -1 [SnCl 6 ] -2<br />
c. H + + OH -1 H 2 O<br />
Combination <strong>Problems</strong><br />
1.
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