Answer
Exlanation
Melting point is an intensive property — Intensive properties are properties which do not depend on the amount of matter that is present.
Therefore, the given solutions are NOT in order of increasing melting point.
The order of inereasing melting point ofthe slolutions is:
(a) 0.1 m sugar (sugar has a metlting point of 186 °C
(c) 0.08 m CaCl2
(b) 0.1 m NaCl
(d) 0.04 m Na2SO4