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JEE MainChemistryModerateInorganic Chemistry

In case of nitrogen, NCl3 is possible but no NCl5 while in case
of phosphorus, PCl3 as well as PCl5 are possible. It is due to

Show answer and solution
In phosphorous the vacant 3d-orbitals are available. So it can
increase its covalence beyond three.

Source: Grass-G / CH-27 Chemistry Paper 2 15 Jan.docx

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