Explain the following:
i) Enthalpy of atomization
ii) Enthalpy of solution at infinite dilution

a) What is enthalpy of solution? b) What is enthalpy of dilution?

Which of the following is the increasing order of enthalpy of vapourisation

a) What do you meant by enthalpy of vapourisation? b) Explain enthalpy of sublimation.

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

Compare the general characteristics of the first series of the transition metals with those of the second and third series metals. in the respective vertical columns. Give special emphasis on the following points: (i) electronic configurations (ii) oxidation states iii) Ionisation enthalpies and iv) atomic sizes.

Explain giving reason:- the enthalpies of atomisation of the transition metals are high.

Give reason for the following: It is preferable to determine a change in enthalpy than change in internal energy.

Analyse the following graph between ionisation enthalpy and atomic number.

Explain the general periodic trend of first ionization enthalpy along a period and group in the periodic table.