Acid-Base Theories Worksheet
Explore the fundamental concepts of acid-base chemistry including Arrhenius, Brønsted-Lowry, and Lewis theories with this comprehensive worksheet.
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Acid-Base Theories
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Date:
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Read each question carefully and answer to the best of your ability. Show all work where applicable.
1. According to the Arrhenius theory, an acid is a substance that:
Donates a proton
Produces H+ ions in solution
Accepts an electron pair
Produces OH- ions in solution
2. Which of the following is considered a Lewis acid?
NH3
H2O
BF3
OH-
3. A Brønsted-Lowry acid is a proton , while a Brønsted-Lowry base is a proton .
4. The conjugate base of H2SO4 is .
5. The pH scale ranges from 0 to 14. A solution with a pH of 7 is .
6. Explain the main difference between an Arrhenius acid and a Brønsted-Lowry acid.
7. Identify the acid, base, conjugate acid, and conjugate base in the following reaction:
NH3(aq) + H2O(l) <=> NH4+(aq) + OH-(aq)
8. All Brønsted-Lowry acids are also Arrhenius acids.
True
False
9. A strong acid completely ionizes in water.
True
False
10. Refer to the pH scale diagram below to answer the following question.
Which of the following substances would likely have a pH of 2?
Household Bleach
Lemon Juice
Pure Water
Soap
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