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

1. A. Al 3+ < Mg 2+ < Na + < F - (increasing ionic size)
2. B. B < C < N < O (increasing first ionisation enthalpy)
3. C. I < Br < Cl < F (increasing electron gain enthalpy)
4. D. Li < Na < K < Rb (increasing metallic radius)

Attempt this NEET 2016 Chemistry question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.