JEE Main 201910 Apr, Evening shiftChemistryEasyd- and f-Block Elements158× since 2002The correct order of the first ionization enthalpies is :AOption A. Ti < Mn < Zn < NiBOption B. Zn < Ni < Mn < TiCOption C. Mn < Ti < Zn < NiDOption D. Ti < Mn < Ni < ZnCheckSkip · show solution