The Ka of phenylacetic acid is 5.2 Ã 10-5, and the pKa of propionic acid is 4.87.

Question:

The Ka of phenylacetic acid is 5.2 Ã— 10-5, and the pKa of propionic acid is 4.87.

(a) Calculate the pKa of phenylacetic acid and the Ka of propionic acid.
(b) Which of these is the stronger acid? Calculate how much stronger an acid it is.
(c) Predict whether the following equilibrium will favor the reactants or the products.

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Organic Chemistry

ISBN: 978-0321768414

8th edition

Authors: L. G. Wade Jr.

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Question Posted: Apr 29, 2016 12:35 PM

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The Ka of phenylacetic acid is 5.2 Ã 10-5, and the pKa of propionic acid is 4.87.

Question:

CH_C_OH CH,-CH,-C-OH - phenylacetic acid. Ka= 5.2 × 10-5 propionic acid, pK 4.87 CH,COo CH,CH COOH ^ CH,COOH CH,CH COO

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a pK a log 10 K a log 10 52 10 5 43 for pbenylacetic acid for propion...View the full answer

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