Periodic Table and PeriodicityhardMCQ SINGLE⭐ Must-Do

Among the elements and , which one possesses the highest second ionization enthalpy ()?Periodic Table and Periodicity Chemistry Question

Question

Among the elements $Li, Be, B,$ and $C$, which one possesses the highest second ionization enthalpy ($IE_2$)?

Answer: A

💡 Solution & Explanation

After losing one electron, $Li^+$ attains the highly stable $1s^2$ (Helium) noble gas configuration. Removing a second electron from this stable closed shell requires an immense amount of energy.

💬
Still have doubts about this question?
Send it to our AI chemistry tutor on WhatsApp — gets answered in minutes
Ask on WhatsApp →

Practice 22,000+ questions like this

AI-adaptive practice, video lectures, and full NEET Chemistry content — all in one place.

JEE Advanced · JEE Mains · NEET · IChO · AP Chemistry