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Byju's Answer
Standard XII
Chemistry
Addition Reaction
Maam how does...
Question
Maam how does adsorption dec with inc in temp in chemisorption since it requires high temp?
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Solution
Increases and then decreases in chemisorption,
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Q.
How does physisorption change to chemisorption at high temperatures?
Q.
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 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
the higher energy of activation.
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