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| 1. |
Give reasons for the following: Where R is an alkyl group , R_3P=O exists but R_3N=O does not . |
| Answer» Solution :There are no d-orbitals in the valence SHELL in N, therefore the covalency of N is RESTRICTED to FOUR. Therefore, it cannot form the compound `R_3N=O` which requires the valency of FIVE. However, I can EXPAND its covalency to five and form compounds like `R_3P=O`. | |