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JEE CHEMISTRY MCQ: SURFACE CHEMISTRY
1
Medium
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Understanding
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Assertion (A): The moist air becomes dry in silica gel.
Reason (R): Water molecules gets absorbed on silica gel.
Reason (R): Water molecules gets absorbed on silica gel.
View answer and explanation
Correct option: C
(A) is true but (R) is false
Option C ((A) is true but (R) is false) is correct because silica gel dries moist air through adsorption, not absorption. Adsorption is a surface phenomenon, while absorption involves penetration into the bulk.
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