If the central atom is of third row or below this in the periodic table, then lone pair will occupy a stereochemically inactive s-orbital and bonding will be through almost pure p-orbitals and bond angles are nearly 90^(@), if the substituent's electronegativity value is le 2.5. The hybridisation of atomic orbitals of central atom "Xe" in XeO_(4), XeO_(2)F_(2) and XeOF_(4) respectively.

If the central atom is of third row or below this in the periodic tabl

1.	If the central atom is of third row or below this in the periodic table, then lone pair will occupy a stereochemically inactive s-orbital and bonding will be through almost pure p-orbitals and bond angles are nearly 90^(@), if the substituent's electronegativity value is le 2.5. The hybridisation of atomic orbitals of central atom "Xe" in XeO_(4), XeO_(2)F_(2) and XeOF_(4) respectively.
Answer» `SP^(3),sp^(3)d^(2),sp^(3)d^(2)` `sp^(3)d,sp^(3)d,sp^(3)d^(2)` `sp^(3),sp^(3)d^(2),sp^(3)d` `sp^(3),sp^(3)d,sp^(3)d^(2)` ANSWER :D