Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 15 - Acids and Bases - Questions & Problems: 15.3

Answer

(a) Both (b) Base (c) Acid (d) Both (e) Acid (f) Base (g) Base (h) Base (i) Acid (j) Acid

Work Step by Step

Bronsted acids are compounds capable of donating a proton. Therefore, they need a (H), and that hydrogen needs to be capable of leaving the molecule. - The $OH^-$ and the $NH_2^-$ have hydrogens, but, they cannot donate them. Brosted bases are compounds capable of receiving a proton. Therefore, they need a lone pair for receiving this proton. - The $H_3O^+$, $HBr$ and $HCN$ have lone pairs, but they don't, normally, receive a proton.
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