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The correct statement(s) pertaining to t...

The correct statement(s) pertaining to the adsorption of a gas on a solid surface is (are)

A

Adsorption is always exothermic

B

Physisorption may transform into chemisorption at high temperature .

C

Physisorption increases with increasing temperature but chemisorption decreases with increasing temperature

D

Chemisorption is more exothermic than physisorption, however it is very slow due to higher energy of activation.

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MODERN PUBLICATION-SURFACE CHEMISTRY-EXERCISE
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  6. When O2 is adsorbed on a metallic surface, electron transfer occurs fr...

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  8. Which mixture is used to dissolve precious metal gold?

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  9. Fill in the blanks with appropriate answer- Mixture of conc. nitric ac...

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  10. State whether the statement is true or false- Mixture of concentrated ...

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  11. Explain the following terms-Aquaregia.

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  12. Fill in the blanks- Gold metal can be dissolved only in .

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  16. The nucleus of an atom has 5 protons and 6 neutrons. What would be the...

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