What approximate value is given for the first ionisation enthalpy of molecular oxygen (O₂)? - P BLOCK ELEMENTS Quiz | GKFix.in

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Question

What approximate value is given for the first ionisation enthalpy of molecular oxygen (O₂)?

A. 1314 kJ mol⁻¹
B. 1175 kJ mol⁻¹
C. 1410 kJ mol⁻¹
D. 1681 kJ mol⁻¹