The values of van’t Hoff factors for KCl, NaCl and K2SO4 respectively are .......... .
1. 2, 2 and 2
2. 2, 2 and 3
3. 1, 1 and 2
4. 1, 1 and 1
Three aqueous solutions of NaCl are labelled as ‘A', ‘B’ and ‘C with concentrations 0.1 M, 0.01 M and 0.001 M, respectively. The value of van’t Hoff factor for these solutions will be in the order of -
1. iA < iB < iC
2. iA > iB > iC
3. iA = iB = iC
4. iA < iB > iC
Van't Hoff factor (i) is given by the expression:
a.
b.
c.
d.
The correct choice among the given options are:
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)