Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Chemistry Classification of Elements and Periodicity in Properties Periodicity In Properties
Among halogens, the correct order of amount of energy released in electron gain (electron gain enthalpy) is
1
F > Cl > Br > l
2
F < Cl < Br < l
3
F < Cl > Br > l
4
More than one of the above
5
None of the above