Question

Classify the following as acid or base according to Bronsted-Lowry concept.
(i) $C{H}_{3}CO{O}^{-}$
(ii) $H_3{O}^{+}$
(iii) $S{O}_4^{2-}$
(iv) $HCl$

	(i)	(ii)	(iii)	(iv)
(a)	Bronsted base	Bronsted base	Bronsted base	Bronsted acid
(b)	Bronsted acid	Bronsted acid	Bronsted acid	Bronsted base
(c)	Bronsted base	Bronsted acid	Bronsted base	Bronsted acid
(d)	Bronsted acid	Bronsted base	Bronsted base	Bronsted base

• A. a
• B. b
• C. c
• D. d

Answer 1

Answer: (C)

Any species which can accept a proton is Bronsted base while which can give a proton is Bronsted acid.