1.

Discuss the structure of phosphorous pentaoxide (P_(2)O_(5)).

Answer»

Solution :In `P_(4)O_(10)` each P atoms form three BONDS to oxygen atom and also an ADDITIONAL coordinate BOND with an oxygen atom. Terminal coordinate `P-O` bond length is 143 pm, which is less than the expected single bond distance. This may be DUE to lateral overlap of filled p orbitals of an oxygen atoms with empty d - orbital on PHOSPHOROUS.


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