NEET Exam Model Paper 1

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Question : 139 of 180

Marks: +1, -0

In which of the following options the order of arrangement does not agree with the variation of property indicated aginst it?

I < Br < Cl
Li < Na< K < Rb (increasing metallic radius)
AI3+<Mg2+<Na+<F (increasing ionic size)
B < C < N < O (increasing first ionization enthalpy)

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