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Q.

Identify the statement which is correct w.r.t. surface phenomenon.

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a

Osmotic pressure of rubber sol will be same as that of sucrose solution having same mass mixed in same mass ofH2 0.

b

A gas may show physisorption at lo temperature and chemisorption at higher temperatures.

c

Soap sol of sodium palmitate will be coagulated near cathode on electrophoresis.

answer is B.

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Detailed Solution

At low temperature physisorption takes place due to Vanderioal force.While at high temperature Chemisorption takes place due to chemical bond formation.


 

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