1401. Wha volume of solution contain 0.1 mol of solute. If molarity of solution is 0.5 M:

A. 100 ML
B. 200 ML *
C. 500 ML
D. 250 ML

1402. Which of the following solution of H2SO4 will exactly neutralize 100 ML of 0.5 Molar Naoh solution :

A. 50 mL OF 0.5 M solution *
B. 50 mL of 0.25 M solution
C. 100 mL of 0.5 M solution
D. 100 mL of 0.1 M solution

1403. Which of the following is not a colligative property :

A. Osmotic pressure
B. Lowering in Vapor pressure
C. Boiling point *
D. Depression in Freezing point

1404. Solution of acetone in ethanol :

A. Obeys Raoult’s law
B. Show negative derivation from Raoult’s law *
C. Show positive derivation from Raoult’s law
D. Show nearly ideal behavior

1405. According to Raoult’s law. relative lowering a vapour pressure is equal to :

A. Mole fraction of solute *
B. Mole fraction of solvent
C. Moles of solute
D. Moles of solvent

1406. Kf of water is :

A. 1.86 Degree centigrade *
B. 0.86 Degree centigrade
C. 1.52 Degree centigrade
D. 0.52 Degree centigrade

1407. Which of the following is an exothermic rxn ?

A. Combustion of methane *
B. Decomposition of water
C. Conversion of H2 to 2 [H]
D. Dehydrogenation of alkane

1408. A system which neither exchange matter no energy with surrounding is :

A. Open system
B. Closed system
C. Isolated system *
D. Inert System

1409. Pants and animals are examples of

A. Open system *
B. Closed system
C. Isolated system
D. Adiabatic system

1410. If the the value of H of rxn is positive then the rxn is called :

A. Exothermic
B. Endothermic *
C. Spontaneous
D. Non-Spontaneous