Account for the following: Electronic gain enthalphy of F is less negative than that of Cl

Justify the following: The electron gain enthalpy of 'F' is lower than that of 'Cl .

Account for the following: Ionisation enthalphy of nitrogen is greater than that of oxygen

Accounting from the following : Ionization enthalpy of Nitrogen is greater than that of Oxygen.

Give reason for the following: Electron gain enthalpy of noble gas is almost zero.

Account for the following:- Bleaching action of Cl_2 .

Ammonia and Nitric acid are two industrially important compounds. Account for the following: Boiling point of PH_3 is less than. that of NH_3

Assign reason for the following:- The negative Value of electron gain enthalpy of fluorine is less than that of CI.

Would you expect the second electron gain enthalpy O as positive, more negative or less negative than the first ? Justify your answer.

Account for the following:- Nitrogen and chlorine have same electro-negativity but nitrogen is inert at room temperature while chlorine is highly reactive.

Account for the following: Noble gases have large positive electron gain enthalpies.