Compare the stability of +2 oxidation state for the elements of the first transition series.

The first ionisation energies of the elements of the transition series.

Describe the trend in I.E., electrode potential, atomic radii and oxidation states of elements of first transition series.

The first ionisation energies of the elements of the first transition series (TitoCu)

To what extent do the electronic configurations, decide the stability of oxidation states in the first series of the transition elements? Illustrate your answer with examples.

The stability of +1 oxidation state increases in the sequence :

Compare the stability of following carbocations .

The most common oxidation states of 3d series elements

What is the most common oxidation state of first transition series?

Answer the following questions (i) Which element of the first transition series has highest second ionisation enthalpy? (ii) Which element of the first transition series has highest third ionisation enthalpy? (iii) Which element of the first transition series has lowest enthalpy of atomisation? (b) Identify the metal and justify your answer. (i) Carbonyl M(CO)_(5) (ii) MO_(3)F

Assign reason for each of the following statement: (i) The largest number of oxidation states are exhibited by the elements in their row transition elements. (ii) The atomic radii decrease in Size with the increasing atomic number in the lanthanoid series