Give reason for the following : (CH_3)_3P=O exists but (CH_3)_3N=O do – InterviewSolution

1.	Give reason for the following : (CH_3)_3P=O exists but (CH_3)_3N=O does not.
Answer» Solution :N does not possess d-orbitals. The maximum covalency that it can SHOW is three. THUS, it cannot link with three methyl groups along with O to form `(CH_3)_3 N=O`. On the other hand P with the help of d-orbitals can EXPAND its covalency and form `(CH_3)_3P=O`.

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