AIIMS 2002
- Exam
- AIIMS
- Year
- 2002
- Subject
- Chemistry
- Chapter
- Surface Chemistry
AIIMS 2002 · Chemistry · Surface Chemistry
Assertion : Physical absorption of molecules takes place on surface...
Assertion : Physical absorption of molecules takes place on surface only.
Reason : In this process, the bonds of the absorbed molecules are broken.
Options
- AIf both the assertion and reason are true and reason is a correct explanation of the assertion.
- BIf both assertion and reason are true but assertion is not a correct explanation of the assertion.
- CIf the assertion is true but the reason is false.
- DIf both assertion and reason are false.
Correct answer
C. If the assertion is true but the reason is false.
Step-by-step solution
In physical absorption, the substance absorbed is retained not only on the surface but also more or less uniformly distributed throughout the entire body. And absorbed molecules are not broken under ordinary conditions.