Preparation of Lyophilic and Lyophobic Sols NEET Questions

Organic Chemistry - Principles of Practical Chemistry

Preparation of Lyophilic and Lyophobic Sols MCQ Questions


1.
A colloidal sol in which the dispersed phase has strong affinity for the dispersion medium is called:
A.
Hydrophobic sol
B.
Lyophobic sol
C.
Macromolecular emulsion
D.
Lyophilic sol
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ANSWER :
D. Lyophilic sol
2.
A colloidal sol in which the dispersed phase has little or no affinity for the dispersion medium is called:
A.
Multimolecular sol
B.
Lyophobic sol
C.
Hydrophilic sol
D.
Lyophilic sol
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ANSWER :
B. Lyophobic sol
3.
If water is the dispersion medium, lyophilic and lyophobic sols are also called respectively:
A.
Hydrophilic and hydrophobic sols
B.
Hydrophobic and hydrophilic sols
C.
Sol and gel
D.
Aerosol and emulsion
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ANSWER :
A. Hydrophilic and hydrophobic sols
4.
Which of the following is NOT a lyophilic sol?
A.
Starch sol
B.
Gum sol
C.
Arsenious sulphide sol
D.
Egg albumin sol
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ANSWER :
C. Arsenious sulphide sol
5.
Which of the following is a lyophobic sol?
A.
Ferric hydroxide sol
B.
Gum sol
C.
Gelatin sol
D.
Starch sol
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ANSWER :
A. Ferric hydroxide sol
6.
Which of the following is the correct order of stability?
A.
Lyophobic sol > Lyophilic sol
B.
Lyophilic sol > Lyophobic sol
C.
Both have equal stability
D.
Stability cannot be compared
😑 View Answer Rough Work Error
ANSWER :
B. Lyophilic sol > Lyophobic sol