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The rate of physisorption increases with...

The rate of physisorption increases with

A

Temperature is decreased

B

Temperature is increased

C

Pressure is decreased

D

None of these

Text Solution

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The correct Answer is:
A
Properties of ionic solid
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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