Question

$SF_6$ exists but $OF_6$ does not because

• A. d-orbitals of sulphur are vacant and are available for bonding
• B. more bonding electrons can be accommodated in orbitals with n = 3
• C. sulphur has larger ionization energy than oxygen
• D. the difference of electronegativity is less between oxygen and fluorine

Answer 1

Answer: (A)

d-orbitals of sulphur are vacant and are available for bonding

Answer 2

Answer (a) d-orbitals of sulphur are vacant and are available for bonding