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Q. What are the Properties of Nitrogen?

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Physical Properties of Nitrogen

Nitrogen is a colorless, odorless and tasteless gas. It is particularly unreactive at room temperature. It is slightly less dense than air, and slightly soluble in water. It liquefies to a colorless liquid and freezes at -210^oC.

Chemical Properties of Nitrogen

Nitrogen does not change the color of litmus paper; therefore, it is neutral. It does not burn or support combustion.

The unreactivity of nitrogen can be explained by its high dissociation energy (945 kJ/mol) caused by the strong triple bond. A lot of energy is required to break the triple bond in molecular nitrogen.

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