(i) 1.0 M NaOH
(ii) 1.0 M Na2SO4
(iii) 1.0 M NH4NO3
(iv) 1.0 M KNO3
Correct Answer: (ii) 1.0 M Na2SO4
Explanation: Given that a large amount of van’s Hoff will increase the boiling point of the solution.
(i) 1.0 M NaOH
(ii) 1.0 M Na2SO4
(iii) 1.0 M NH4NO3
(iv) 1.0 M KNO3
Correct Answer: (ii) 1.0 M Na2SO4
Explanation: Given that a large amount of van’s Hoff will increase the boiling point of the solution.