JEE Advanced: Group 18
Noble Gas Compounds & Xenon Chemistry for chemca.in
The Bartlett Discovery
Neil Bartlett noticed that PtF6 oxidizes O2 to O2+.
Since the first Ionization Enthalpy of Xenon (1170 kJ/mol) is nearly identical to Oxygen (1175 kJ/mol), he successfully prepared the first noble gas compound:
Xe + PtF6 → Xe+[PtF6]-
Molecular Geometries
XeF₂: Linear (sp³d, 3 lone pairs).
XeF₄: Square Planar (sp³d², 2 lone pairs).
XeF₆: Distorted Octahedral (sp³d³, 1 lone pair).
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