JEE Main 202225 Jul, Evening shiftChemistryEasyClassification of Elements and Periodicity in Properties127× since 2002The first ionization enthalpies of Be, B, N and O follow the orderAOption A. O < N < B < BeBOption B. Be < B < N < OCOption C. B < Be < N < ODOption D. B < Be < O < NCheckSkip · show solution
