First electron gain enthalpy of oxygen is −141 kJ mol⁻¹; second electron gain enthalpy will be
- A+141 kJ mol⁻¹
- B−141 kJ mol⁻¹
- C+780 kJ mol⁻¹
- D−780 kJ mol⁻¹
✓ Correct answer: C
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NewNcert › Chemistry › Classification of Elements and Periodicity in Properties
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Question ID #437063 · NewNcert