The p-block elements of the second row of the periodic table exhibit a tendency

Question

The p-block elements of the second row of the periodic table exhibit a tendency to form single, double and triple bonds in their elemental state. By contrast, the pblock elements of the 3rd row form solely single bonds. (i) Explain the origin of this tendency and the effect it has on the ‘physical state’ of the elements, i.e. solid, liquid or gas. (ii) In the specific case of elemental nitrogen and phosphorus, explain why nitrogen is an inert element, particularly with respect to oxygen in the atmosphere, while phosphorus reacts spontaneously in air.

Explanation / Answer

(II) N2 is formed by triple bond so it can not be breakbale easily.

P4 is highly reactive since it can be easily breakable..

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