The electron gain enthalpy of oxygen is `"______"` that of sulphur.

The electron gain enthalpy of noble gas is

i. Arrange the following in decreasing order of bond dissociation enthalpy F_(2) , Cl_(2) , Br_(2) , I_(2) ii. Bi does not form pπ-pπ bonds. Give reason for the observation. iii.Electron gain enthalpy of oxygen is less negative than sulphur. Justify

The absolute value of the electron gain enthalpy of halogens satisfies :

Electron gain enthalpy is positive when:

Electron gain enthalpy will be positive in

The correct order of electron gain enthalpy is

The electron gain enthalpies of noble gases are positive.