MCQ
When the first electron gain enthalpy $(\Delta _{eg}H)$ of oxygen is $-141\,kJ/mol,$ its second electron gain enthalpy is
  • A
    a more negative value than the first
  • B
    almost the same as that of the first
  • C
    negative, but less negative than the first
  • a positive value

Answer

Correct option: D.
a positive value
d
$2^{nd}$ electron gain enthalpy of oxygen is positive.

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