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Important Questions on Surface Chemistry

MEDIUM
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 5 - Surface Chemistry>DPP 5.2>Q 1
Colloid is not a substance but a state of matter. Justify the statement.
MEDIUM
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 5 - Surface Chemistry>DPP 5.2>Q 2
Explain what is observed when dialysis is prolonged.
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JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 5 - Surface Chemistry>DPP 5.2>Q 2
The same substance can act both as colloid and crystalloid. Explain.
EASY
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 5 - Surface Chemistry>DPP 5.2>Q 3
What is collodion? Where is it used?
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JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 5 - Surface Chemistry>DPP 5.2>Q 4
Lyophilic colloids are reversible sols and Lyophobic colloids are irreversible sols. Why?
EASY
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 5 - Surface Chemistry>DPP 5.2>Q 5
Purple of Cassius is
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JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 5 - Surface Chemistry>DPP 5.2>Q 6
Black diamonds are the dispersion of
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JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Physical Chemistry Part - 2 JEE Main & Advanced>Chapter 5 - Surface Chemistry>DPP 5.2>Q 7
Bredig's arc method cannot be used for the preparation of the colloidal solution of