Step-by-step explanation:
Sulphur dichloride has higher boiling point as compare to sulphur hexafluoride because
Sulphur dichloride has stronger intermolecular forces among the molecules and sulphur hexafluoride has weaker intermolecular forces among molecules.
Stronger the intermolecular forces higher the boiling point that the reason sulphur dichloride has a higher boiling point than the sulphur hexafluoride.