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(A): Physical adsorption and chemical ad...

(A): Physical adsorption and chemical adsorption are distinguished by adsorption isobars
(R): Physical adsorption is weak while chemical adsorption is strong 

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

(A) is false but (R) is true

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • The type of adsorption depicted by the adsorption isobar

    A
    physical
    B
    Chemical
    C
    both 1 and 2
    D
    none of these

  • Favourable conditions for physical adsorption are

    A
    low T, high P
    B
    high T, high P
    C
    low T, low P
    D
    low T, low P

  • Favourable conditions for physical adsorption are

    A
    low T, high P
    B
    high T, high P
    C
    low T, low P
    D
    low T, low P

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    Write any four differences between physical adsorption and chemical adsorption.

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    A graph of adsorption isobar of chemisorption shows that adsorption

    (A)Enthalpy of physical adsorption is lower than chemical adsorption (R ) Molecules of adsorbate and adsorbent are held together by vanderwall forces in physical adsorption and by chemical bonds in chemical adsorption

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