For \(M^{2+}/M\) and \(M^{3+}/M^{2+}\) systems the \(E^{o}\) values for some metals are as follows: 

(i) the stability of \(Fe^{3+}\) in acid solution as compared to that of \(Cr^{3+}\) or \(Mn^{3+}\)

Indicate the steps in the preparation of: (ii) \(KMnO_{4}\) from pyrolusite ore.

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: (ii) oxidation states

Write down the electronic configuration of: (vii) \(Mn^{2+}\)

Describe the preparation of potassium permanganate. How does the acidified permanganate solution react with (i) iron(II) ions (ii) \(SO_{2}\) and (iii) oxalic acid? Write the ionic equations for the reactions.

Give examples and suggest reasons for the following features of the transition metal chemistry: (i) The lowest oxide of transition metal is basic, the highest is amphoteric/acidic.

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: (iv) atomic sizes.

Write down the electronic configuration of: (iii) \(Cu^{+}\)

Write down the electronic configuration of: (viii) \(Th^{4+}\)

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: (iii) ionisation enthalpies

Describe the oxidising action of potassium dichromate and write the ionic equations for its reaction with: (iii) \(H_{2}S\)

Compare the chemistry of the actinoids with that of lanthanoids with reference to: (ii) oxidation states

Write down the electronic configuration of: (iv) \(Ce^{4+}\)

What are inner transition elements? Decide which of the following atomic numbers are the atomic numbers of the inner transition elements : 29, 59, 74, 95, 102, 104.

Why are \(Mn^{2+}\) compounds more stable than \(Fe^{2+}\) towards oxidation to their +3 state?

Compare the chemistry of actinoids with that of the lanthanoids with special reference to: (ii) atomic and ionic sizes

The chemistry of the actinoid elements is not so smooth as that of the lanthanoids. Justify this statement by giving some examples from the oxidation state of these elements.

Explain briefly how +2 state becomes more and more stable in the first half of the first row transition elements with increasing atomic number?

Write down the number of 3d electrons in each of the following ions: \(Ti^{2+}\), \(V^{2+}\), \(Cr^{3+}\), \(Mn^{2+}\), \(Fe^{2+}\), \(Fe^{3+}\), \(Co^{2+}\), \(Ni^{2+}\) and \(Cu^{2+}\). Indicate how would you expect the five 3d orbitals to be occupied for these hydrated ions (octahedral).

Compare the chemistry of actinoids with that of the lanthanoids with special reference to: (i) electronic configuration