a. If methane were to behave as an acid (if possible), draw the Lewis structure of its resulting conjugate base. b. Reflecting on your answer for Part A and using the three acid-base models above, would you predict the conjugate base would form? (Does this situtation make sense)? c. If methane were to behave as a base (if possible), draw the Lewis structure of its resulting conjugate acid. d. Reflecting on your answer for Part A and using the three acid-base models above, would you predict the conjugate acid would form? (Does this situtation make sense)? e. Considering your responses to Parts B and D, would you predict methane would behave as an acid, a base, either, or neither? Explain your reasoning.

a. If methane were to behave as an acid (if possible), draw the Lewis structure of its resulting conjugate base. b. Reflecting on your answer for Part A and using the three acid-base models above, would you predict the conjugate base would form? (Does this situtation make sense)? c. If methane were to behave as a base (if possible), draw the Lewis structure of its resulting conjugate acid. d. Reflecting on your answer for Part A and using the three acid-base models above, would you predict the conjugate acid would form? (Does this situtation make sense)? e. Considering your responses to Parts B and D, would you predict methane would behave as an acid, a base, either, or neither? Explain your reasoning.

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter4: Polar Bonds, Polar Reactions

Section: Chapter Questions

Problem 46CTQ

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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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