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Which characteristic is not associated w...

Which characteristic is not associated with chemical adsorption?

A

Is irreversible

B

Forms monolayer

C

Not very specific

D

Heat of adsorption `gt` 50 kJ `mol^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
Chemisorption is highly specific and it will only occur if there is some possibility of chemical bonding. For example, oxygen is adsorbed on metals by virtue of oxide formation and hydrogen is adsorbed by transition metals with unpaired d-orbital leading to hydride formation.
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