Question

Question 20
Mineral acids are stronger acids than carboxylic acids because
(i) Mineral acids are completely ionised
(ii) Carboxylic acids are completely ionised
(iii) Mineral acids are partially ionised
(iv) Carboxylic acids are partially ionised

(a) (i) and (iv)
(b) (ii) and (iii)
(c) (i) and (ii)
(d) (iii) and (iv)

Answer 1

(a) (i) and (iv).
Carboxylic acids, when added to water, ionize partially and hence are weak acids. Mineral acids, when added to water, ionize completely and hence are strong acids.