Answered: 4.) NH₂ (A) H 0₂ N H (B) H₂CO H H (D)…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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4. Which molecule has the lowest pKa for the H proton at the very bottom (the H that's in the same spot for all the molecules)? Please explain your reasoning.

NH₂
(A)
H
0₂ N
H
(B)
H₂Co
(c)
H
H
(D)
OH

Expert Solution

Step 1: concept

Based on the stability of conjugate base of compound, acidity vary. With increasing the stability of conjugate base, acidity increases.

+R group increase the electron density on benzene ring that results decrease in acidity.

-R group decrease the electron density on benzene ring that results increase in acidity.

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