Bronsted-Lowry acid/base strengths are dictated by the proton donor/acceptor properties of the reaction media. With this in mind, write out chemical reactions emphasizing proton transfers occurring in the following processes: a) Phosphoric acid (H3PO4) functions as base in concentrated H2SO4. b) Perchloric acid (HClO4) and nitric acid (HNO3) are both strong acids in water. In glacial acetic acid HClO4 functions as a strong acid whereas HNO3 is substantially weaker. c) Oxalic acid (HOOC-COOH) is a weak acid in water (Ka1 = 5.6×10-2; Ka2 = 1.5×10-4). It behaves as a strong monoprotic acid in liquid ammonia. d) Hydrogen fluoride (H-F) functions as a base in liquid anhydrous HClO4.
Bronsted-Lowry acid/base strengths are dictated by the proton donor/acceptor properties
of the reaction media. With this in mind, write out
proton transfers occurring in the following processes:
a) Phosphoric acid (H3PO4) functions as base in concentrated H2SO4.
b) Perchloric acid (HClO4) and nitric acid (HNO3) are both strong acids in water. In glacial
acetic acid HClO4 functions as a strong acid whereas HNO3 is substantially weaker.
c) Oxalic acid (HOOC-COOH) is a weak acid in water (Ka1 = 5.6×10-2; Ka2 = 1.5×10-4). It
behaves as a strong monoprotic acid in liquid ammonia.
d) Hydrogen fluoride (H-F) functions as a base in liquid anhydrous HClO4.
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