The relative lowering of vapour pressure is directly proportional to molality if the solution is________________?

A. Concentrated
B. Dilute
C. Saturated solution
D. All of the above

If electricity is passed through CuSO4 solution by using Pt electrode then which of the following possible change occurs ?

A. H2 is deposited at cathode
B. Colour of the solution becomes fade
C. Cu is deposited at anode
D. All are possible

Which has maximum oxidation number ?

A. N
B. Cr
C. S
D. Mn

In an electrolytic cell current flows ?

A. From cathode to anode in outer circuit
B. From anode to cathode outside the cell
C. From cathode to anode inside the cell
D. Both b & c

In a galvanic cell________________?

A. Chemical energy is converted into electricity
B. Chemical energy is converted into heat
C. Electrical energy is converted into chemical energy
D. Electrical energy is converted into heat

Molten NaCl conducts electricity due to the presence of_______________?

A. Free electrons
B. Free molecules
C. Free ions
D. Atoms of na and cl

Electricity in voltaic cell is produced due to_________________?

A. Neutralization
B. Oxidation
C. Reduction
D. Both b & c

In electrolytic cell electricity carries________________?

A. Spontaneous reaction
B. Non-wpontaneous reaction
C. Neutralization
D. All of above

5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?

A. 0.1 m
B. 1 m
C. 1 m
D. 0.1 n

If the volume of solution is equal to sum of volumes of its all components then the solution_____________?

A. Will be an ideal solution
B. Will be non-ideal solution
C. Will show deviations from raoults law
D. Both b & c