Assign reason for the following:SF6 is known but SH6 is not.R3P = O exists but R3N = O is not.

Assign reason for the following:SF6 is known but SH6 is not.R3P = O

1.	Assign reason for the following:SF6 is known but SH6 is not.R3P = O exists but R3N = O is not.
Answer» Sulphur is more electropositive than fluorine but less electropositive than H, hence only possible compound with hydrogen is H₂S and not SH₆. There is vacant d-orbital is available in P so dπ-pπ bond is possible between phosphorus and oxygen, whereas it is not possible between N and O. So R₃N = O is not likely to form.

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Assign reason for the following:SF6 is known but SH6 is not.R3P = O exists but R3N = O is not.

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