Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

When the first electron gain enthalpy of oxygen is –141 kJ/mol, its second electron gain enthalpy is

  1. A

    Almost the same as that of the first

  2. B

    A more negative value than the first 

  3. C

    Negative, but less negative than the first

  4. D

    A positive value

Solution

Second electron gain enthalpy is always positive for every element.

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