The first ionization enthalpies of Be, B, N and O follow the order (JEE Main 2022)

Chemistry · JEE Main · NTA Exams — Classification of Elements and Periodicity in Properties

1. O < N < B < Be
2. Be < B < N < O
3. B < Be < N < O
4. B < Be < O < N

Answer

(D) B < Be < O < N

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