3. Look through Table 1.8. Although you should NOT memorize the information in the table at this point in the semester, it will be very useful to us throughout the semester and you should know how to use the table. Note that the strongest acids are at the top of the table (on the left column), while the strongest bases are at the bottom of the table (on the right column). Which is the stronger base-the ethoxide anion CH-CH₂O or the hydroxide anion?

3. Look through Table 1.8. Although you should NOT memorize the information in the table at this point in the semester, it will be very useful to us throughout the semester and you should know how to use the table. Note that the strongest acids are at the top of the table (on the left column), while the strongest bases are at the bottom of the table (on the right column). Which is the stronger base-the ethoxide anion CH-CH₂O or the hydroxide anion?

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter4: Polar Bonds, Polar Reactions

Section: Chapter Questions

Problem 26E: Consider the following bases: a. For each base above, circle the atom/atoms with the highest PE...

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The following are equivalent ways of asking about the acidity of an H atom: • What is the most acidic H on the molecule? • Which H is associated with the published pKa value? • Which H on the molecule is easiest to remove? • Which H on the molecule takes the least energy to remove? • Which bond to an H is most polarized? • For which H atom is removal least uphill in energy? • Which bond to an H atom, when broken, results in the lowest PE conjugate base? We will often find the last of these questions is easiest to answer. To do this, find all the different Hatoms on the molecule, and draw all possible conjugate bases.Only the lowest-energy one is the “real” conjugate base. Identify this structure, and you have found the most acidic H. Use this strategy to find the most acidic H on each of the following molecules. Note: Each structure hasat least three different kinds of H’s, so draw at least three unique conjugate bases for each.
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