The set representing the correct order for first ionisation potential (IIT 2001)

CHEMISTRY · Single correct · A Level · Chemistry · Periodicity and periodic trends · Periodicity and periodic trends

Problem

The set representing the correct order for first ionisation potential (IIT 2001) (1)

\text{K} > \text{Na} > \text{Li}

(2)

\text{Be} > \text{Mg} > \text{Ca}

(3)

\text{B} > \text{C} > \text{N}

(4)

\text{Ge} > \text{Si} > \text{C}