The mole fraction of the solute in one molal aqueous solution is.
0.027
0.036
0.018
0.009
A solution of acetone in ethanol
Shows a negative deviation from Raoult's law
Shows a positive deviation from Raoult's law
Hehave like a near ideal solution
Obeys Raoult's law
Which of the following 0.10 M aqueous solution will have the lowest freezing point?
Al2(SO4)3
C5H10O5
Kl
C12H22O11
1M and 2.5 L NaOH solution is mixed with another 0.5 and 3L, NaOH solution. Then, find out the molarity of resultant solution.
0.80 M
1.0 M
0. 73 M
0. 50 M
Which of the following aqueous solutions has minimum freezing point?
0.01 m NaCI
0.005 m MgI2
0.005 m C2H5OH
0.005 m MgSO4
The van't Hoff factor for an aqueous solution of Al2(SO4)3 is___________.
3
5
9
4
How many gram of a dibasic acid (mol wt 200) should be present in 100 ml. of the aqueous solution to give 0.1 N?
1g
2g
10g
20g
______________is not a colligative property.
Lowering of vapour pressure
Elevation in boiling point
Osmotic pressure
Freezing point
A solution containing components A and B follows Raoult's law, when
A-B attraction force is greater than A - A and B- B
A - B attraction force is less than A - A and B - B
A- B attraction force remains same as A - A and B - B
Volume of solution is different from sum of volumes of solute and solvent
1.00g of a non- electrolyte solute (molar mass 250g mol-1) was dissolved in 51.2 g of benzene. If the freezing point depression constant, kf of benzene is 5.12 K kg mol-1, the freezing point of benzene will be lowered by.
0.4 K
0. 3 K
0.5 K
0. 2K.
