1.

Although nitrogen does not adsorb on suface at room temperature, it adsorbs on the same surface at 83 K. Which one of the following statement is correct ?

Answer»

At 83 K, there is formation of monomolecular LAYER.
At 83 K, there is formation of multimolecular layer.
At 83 K, nitrogen molecules are held by CHEMICAL BONDS.
At 83 K, nitrogen is adsorbed as ATOMS.

Solution :At 83 K, there is physisorption and HENCE multimolicular.


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