JEE Main 20254 Apr, Evening shiftChemistryEasyd- and f-Block Elements158× since 2002The incorrect relationship in the following pairs in relation to ionisation enthalpies is :AOption A. Mn+<Cr+\mathrm{Mn^+ < Cr^+}Mn+<Cr+BOption B. Fe2+<Fe3+\mathrm{Fe^{2+} < Fe^{3+}}Fe2+<Fe3+COption C. Mn2+<Fe2+\mathrm{Mn^{2+} < Fe^{2+}}Mn2+<Fe2+DOption D. Mn+<Mn2+\mathrm{Mn^{+} < Mn^{2+}}Mn+<Mn2+CheckSkip · show solution
