In which of the following arrangements, the order is NOT according to the property indicated against it?
A
: Increasing metallic radius B
: Increasing electron gain enthalpy (with negative sign) C
B 
: Increasing first ionisation enthalpy
: Increasing first ionisation enthalpy D
: Increasing ionic size
Text Solution
Verified by ExpertsThe correct answer is:
C
In a period, the value of ionization potential increases from left to right with breaks where the atoms have somewhat stable configuration. In this case, N has half-filled stable orbitals. Hence, it has highest ionization energy. Thus, the correct order is:
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