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Periodic Table and Periodicity question

2005 · Shift 0 · Q58
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Periodic Table and Periodicity question

2005 · Shift 0 · Q58

JEE MainChemistryPeriodic Table and PeriodicityMCQ+4 / −1
In which of the following arrangements the order is NOT according to the property indicated against it?
  1. A
    Li < Na < K < Rb Increasing metallic radius
  2. B
    I < Br < F < Cl Increasing electron gain enthalpy (with negative sign)
  3. C
    B < C < N < O Increasing first ionization enthalpy
  4. D
    Al3+Al^{3+}Al3+ < Mg2+Mg^{2+}Mg2+ < Na+Na^+Na+ < F−F^-F− Increasing ionic size
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