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Chemistry
In which of the following options the order of arrangement does not agree with the variation of property indicated against it?
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Q. In which of the following options the order of arrangement does not agree with the variation of property indicated against it?
NTA Abhyas
NTA Abhyas 2022
A
I < Br < F < Cl (increasing magnitude of electron gain enthalpy)
B
Li < Na < K < Rb (increasing metallic radius)
C
Al
3+
< Mg
2+
< Na
+
< F (order of ionic radius)
D
B < C < N < O (increasing first ionization enthalpy)
Solution:
As the correct order of increasing first ionisation enthalpy is B < C < O < N so option D is wrong. Rest other options are correct.