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Organic Chemistry I Lecture (CHEM 221A) Acids And Bases

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Chapter 2 Acids and Bases – Review Questions Connect Homework Assignment (Organic Chemistry Janice Smith 5th ed. Textbook)-which compound in the following pair is the stronger acid? select the single best answer.

University

California State University San Bernardino

Course

Organic Chemistry I Lecture (CHEM 221A)

Chapter 2 Acids and Bases Review Questions Connect Homework Assignment
(Organic Chemistry Janice Smith 5th ed. Textbook)
1. Draw the products of the following acid-base reaction.

2. Classify each of the following compounds as an acid, base, or both. Be sure to answer all parts.

3. Consider two acids: HCO2H (formic acid, pKa = 3.8) and (CH3)3CCO2H (pivalic acid, pKa =
5.0). Which acid is the stronger acid? Select the single best answer.

4. Consider two acids: (CH3)3CCO2H (pivalic acid, pKa = 5.0) and HCO2H (formic acid, pKa =
3.8). Which acid forms the stronger conjugate base? Select the single best answer

5. Select the three most acidic hydrogen atoms in lactic acid, CH3CH(OH)CO2H, and rank them in
order of decreasing acidity. Explain your reasoning. Be sure to answer all parts.

Part 3
This ranking is explained by:

6. Which compound in the following pair is the stronger acid? Select the single best answer.

7. Click on the “draw structure” button to launch the drawing utility. What is the conjugate base
of A?

8. The pKa of three different C―H bonds is given below. Explain the observed trend in pKa.
Select the single best answer

9. Draw the products formed when 2−propanol [(CH3)2CHOH], the main ingredient of rubbing
alcohol, is treated with NaH. Be sure to answer all parts.

10. Draw the products formed when 2−propanol [(CH3)2CHOH], the main ingredient of rubbing
alcohol, is treated with H2SO4.

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Organic Chemistry I Lecture (CHEM 221A) Acids And Bases

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