In which of the following arrangements, the order is not according to the property…
Chemistry · NEET · NTA Exams — Classification of Elements and Periodicity in Properties
In which of the following arrangements, the order is not according to the property indicated against it?
- Li < Na < K < Rb: Increasing atomic radii
- I < Br < F < Cl: Increasing electron gain enthalpy (with negative sign)
- B < C < N < O: Increasing first ionisation enthalpy
- Al3+ < Mg2+ < Na+ < F-: Increasing ionic size
Answer
(B) I < Br < F < Cl: Increasing electron gain enthalpy (with negative sign)
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