Home
Class 12
CHEMISTRY
Why is adsorption always exothermic ?...

Why is adsorption always exothermic ?

Text Solution

Verified by Experts

3)`
because of having methyl ketone
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • XII BOARDS

    XII BOARDS PREVIOUS YEAR|Exercise Outside Delhi : SET-III|14 Videos

  • XII BOARDS

    XII BOARDS PREVIOUS YEAR|Exercise Set - 1 Comptt.|30 Videos

  • XII BOARDS

    XII BOARDS PREVIOUS YEAR|Exercise Outside Delhi : SET-I|35 Videos

  • SAMPLE PAPER 2019

    XII BOARDS PREVIOUS YEAR|Exercise SECTION: D|1 Videos

Similar Questions

Explore conceptually related problems

Adsorption is aways exothermic.

Why adsorption is exothermic ?

Knowledge Check

  • The correct statement(s) pertaining to the adsorption of a gas on a solid surface is(are) (i) adsorption is always exothermic (ii) physisorption may transform into chemsisorption transform into chemisorption at high temperature (iii) physisorption increases with increasing temperature but chemisorption decreases with increasing temperature . (iv) chemisorption is more exothermic than physisorption , however it is very slow due to higher energy of activation.

    A
    (i) and (iv) only
    B
    (ii) and (iii) only
    C
    (i),(ii) and (iv) only
    D
    All of these.

  • Statement: A catalyst always lower the energy of ectivation. Explanation: The catalyst-reactant interaction forms activated adsorbed complex and adsorption is always exothermic.

    A
    (a) `S` is correct but `E` is wrong
    B
    (b) `S` is wrong but `E` is correct
    C
    (c ) Both `S` and `E` are correct and `E` is correct explanation of `S`
    D
    (d) Both `S` and `E` are correct but `E` is not correct explanation of `S`.

  • The correct statements pertaining to the adsorption of a gas on a solid surface are (i) Adsorption is always exothermic (ii) Physisorption may transform into chemisorption at high temperature (iii) Physisorption increases with increasing temperature but chemisorotion decrease with increasing temperature (iv) Chemisorption is more exothermic than physisoption, however, it is very slow due to higher energy of activation

    A
    `(i),(ii),(iii),(iv)`
    B
    `(ii),(iii),(iv)`
    C
    `(i),(iii)`
    D
    `(ii),(iv)`

    • Similar Questions

    Explore conceptually related problems

    Adsorption is always exothermic in nature , Do tor agree ?

    Is adsorption an exothermic or endothermic phenomenon ?

    Adsorption is always

    Select the set having correct statements pertaining to the adsorption of a gas on a solid surface (1) physisortion may transform into chemisorption at high temperature (2) chemisorption is more exothermic than physisortion , however it is very slow due to higher energy of activation (3) Adsorption is always exothermic (4) Physiosorption increase with increasing temperature but chemisorption decreases with increasing temperature

    Assertion :- The graphical representation of physical adsorption with temp is Reason :- This is weak adsorption & adsorption is exothermic process.

    Home
    Profile