Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Basic Concepts of Chemistry
The correct order of negative electron gain enthalpy of halogens is
1
Cl > F > Br > I
2
I > Br > Cl > F
3
Br > I > F > Cl
4
5
None of the above