Ideal and Non-Ideal Solutions NEET Questions

Ideal and Non-Ideal Solutions MCQ Questions

7.
Which of the following mixtures shows negative deviation from Raoult’s law?
A.
Acetone + Chloroform
B.
Acetone + Carbon Tetrachloride
C.
Ethanol + Cyclohexane
D.
Hexane + Heptane
ANSWER :
A. Acetone + Chloroform
8.
A solution that forms a minimum boiling azeotrope shows:
A.
Negative deviation from Raoult’s law
B.
Positive deviation from Raoult’s law
C.
No deviation
D.
Ideal behavior
ANSWER :
B. Positive deviation from Raoult’s law
9.
Which of the following is a characteristic of an ideal solution?
A.
No enthalpy change
B.
Volume contraction occurs
C.
Strong attractive forces are present
D.
Boiling point increases
ANSWER :
A. No enthalpy change
10.

Which of the following is true for an ideal solution?

A.

ΔHmix is negative

B.

ΔVmix is positive

C.

ΔHmix = 0 and ΔVmix = 0

D.

ΔGmix is infinite

ANSWER :

C. ΔHmix = 0 and ΔVmix = 0

11.
Which of the following solutions is expected to behave ideally?
A.
Water + Ethanol
B.
Acetone + Chloroform
C.
Hexane + Heptane
D.
HCl + H₂O
ANSWER :
C. Hexane + Heptane
12.
Which of the following mixtures will likely show a positive deviation from Raoult’s law?
A.
Water + Ethanol
B.
Benzene + Toluene
C.
Acetone + Carbon Tetrachloride
D.
Acetone + Chloroform
ANSWER :
C. Acetone + Carbon Tetrachloride