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

Options

A. At 83 K ,there is formation of monomolecular layer
B. At 83 K ,there is formation of multimolecular layers.
C. At 83 K, nitrogen molecules are held by chemical bonds.
D. At 83 K,nitrogen is adsorbed as atoms

Answer

B