Mineral acids are stronger acids than carboxylic acids because

1. mineral acids are completely ionised.
2. carboxylic acids are completely ionised.
3. mineral acids are partially ionised.
4. carboxylic acids are partially ionised.

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

Correct Answer: (a) (i) and (iv) 

Explanation: Mineral acids are strong acids that ionize almost completely while carboxylic acids are weak acids that ionize only partially.