Ideal and Non-Ideal Solutions NEET Questions

Physical Chemistry - Solutions

Ideal and Non-Ideal Solutions MCQ Questions


1.
Which of the following mixtures forms an ideal solution?
A.
Benzene + Toluene
B.
Acetone + Chloroform
C.
Ethanol + Water
D.
HCl + H₂O
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ANSWER :
A. Benzene + Toluene
2.
In an ideal solution, the enthalpy of mixing is:
A.
Positive
B.
Negative
C.
Zero
D.
Infinite
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ANSWER :
C. Zero
3.
Which of the following solutions is most likely to obey Raoult’s law?
A.
Ethanol + Water
B.
Benzene + Toluene
C.
Acetone + Chloroform
D.
Alcohol + Water
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ANSWER :
B. Benzene + Toluene
4.
Which of the following pairs will show positive deviation from Raoult’s law?
A.
Acetone + Chloroform
B.
Water + HCl
C.
Ethanol + Cyclohexane
D.
Benzene + Toluene
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ANSWER :
C. Ethanol + Cyclohexane
5.
Which type of intermolecular forces are dominant in an ideal solution?
A.
Attractive forces between like molecules
B.
Repulsive forces
C.
Forces similar to pure components
D.
No intermolecular forces
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ANSWER :
C. Forces similar to pure components
6.
A solution showing negative deviation from Raoult’s law has:
A.
Higher boiling point than expected
B.
Lower boiling point than expected
C.
Same boiling point as expected
D.
No boiling point
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ANSWER :
A. Higher boiling point than expected