Question

which of these have minimum freezing point ?explain
(a)0.1M NH4CL
(B)0.1MK2Cr2O7
(C)0.1MBaSO4
(d)0.1M Al2(SO4)3

Answer 1

Answer:

As depression in freezing point = freezing constant × molality × (i)which is vant haff factor

Explanation:

Molality and molarity is givrn same..

As solvent is common..therefore freezing constant for solvemt is also same..

So the depression in freezing point depends upon (i) which is vant haff factor..

The compound having highest value of vant haff factor will jave the lowest freezing point..

You can check the concept in 12th class chemistry 2nd chapter..

There you can also find how to calculate vant haff factor