JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Mock Test - Surface Chemistry

  • question_answer
    The given graphs/data I, II, III and IV represent General trends observed for different physisorption and chemisorption processes under mild conditions of temperature and pressure. Which of the following choices about I, II, III and IV are correct?
    (I) (II)
    (III) (IV)

    A) I is physisorption and II is chemisorption

    B) I is physisorption and III is chemisorption

    C) IV is chemisorption and III is chemisorption

    D) IV is physisorption and III is chemisorption

    Correct Answer: A

    Solution :

    [a]
    I physisorption II chemisorption
    III physisorption IV chemisorption
    Because physisorption decreases with rise in temperature and chemisorption increases with rise in temperature.


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