Q. Which of the following noble gases has the highest positive electron gain enthalpy value?
KEAMKEAM 2013
Solution:
Noble gas
Electron gain enthalpy $(kJ\,mol^{-1})$
He
48
Ne
116
Ar
96
Kr
96
xe
77
| Noble gas | Electron gain enthalpy $(kJ\,mol^{-1})$ |
|---|---|
| He | 48 |
| Ne | 116 |
| Ar | 96 |
| Kr | 96 |
| xe | 77 |