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Periodic Table and Periodicity question

2025 · 4 Apr · Shift 2 · Q10
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Periodic Table and Periodicity question

2025 · 4 Apr · Shift 2 · Q10

JEE MainChemistryPeriodic Table and PeriodicityMCQ+4 / −1
The incorrect relationship in the following pairs in relation to ionisation enthalpies is :
  1. A
    Mn2+<Fe2+\mathrm{Mn}^{2+}\lt \mathrm{Fe}^{2+}Mn2+<Fe2+
  2. B
    Mn+<Mn2+\mathrm{Mn}^{+}\lt \mathrm{Mn}^{2+}Mn+<Mn2+
  3. C
    Mn+<Cr+\mathrm{Mn}^{+}\lt \mathrm{Cr}^{+}Mn+<Cr+
  4. D
    Fe2+<Fe3+\mathrm{Fe}^{2+}\lt \mathrm{Fe}^{3+}Fe2+<Fe3+
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