A list of transition metal ions are given.`Ti^(2+), Sc^(3+), Cr^(2+), V^(2+), Mn^(2+), Fe^(2+), Zn^(2+):- Identify the ions which are colourless. Give reason.

A list of transition metal ions are given. Ti^(2+), Sc^(3+), Cr^(2+), V^(2+), Mn^(2+), Fe^(2+), Zn^(2+):- Give the number of unpair edelectrons.

A list of transition metal ions are given. Ti^(2+), Sc^(3+), Cr^(2+), V^(2+), Mn^(2+), Fe^(2+), Zn^(2+):- Arrange the ions In the increasing order of their magnetic moment.

Some transition metal ions are listed below. Ti^(3+), Sc^(3+), Cu^(2+), Fe^(2+),Cr^(3+),V^(3+),Zn^(2+), Mn^(4+) :- Identify those complex ions which are colouriess in solution. Justify your answer.

Some transition metal ions are listed below. Ti^(3+), Sc^(3+), Cu^(2+), Fe^(2+),Cr^(3+),V^(3+),Zn^(2+), Mn^(4+) :- Predict the Ion having maximum magnetic moment and also calculate its magnetic moment.

Group of ions are given below: Na^+ , Al^(3+) , O^(2-) , Ca^(2+) , Mg^(2+) , F^- , N^(3-) , Br(-) Two of the above ions are not isoelectronic. Identify them.

Write down the number of 3 d electrons in each of the following ions: '(Ti)^(2+), (V)^(2+), (Cr)^(3+), (Mn)^(2+), (Fe)^(2+)', you expect the five 3 d-orbitals to be occupied for these hydrated ions (octahedral).

A group of ions are given below: Na^+ , Al^3+ , O^2- , Ca^2+ , Mg^2+ , F^- , N^3- , Br^- a) Find the pair which is not isoelectronic. b) Arrange the above ions in the increasing order of size.

How many of the following ions have the same magnetic moments? Fe^(2+), Mn^(2+), Cr^(2+), Ni^(2+)

2. Some d - block elements are given below: (Cr,Mn,Fe,Cos,Ni) a. Identify the element which shows maximum paramagnetic behaviour: b. Give reason for the highest paramagnetic property of that element. c. When two electrons, are Iost from each atom, is there any change:in' magnetic properties of - each. Explain?

Calculate the number of unpaired electrons in the following gaseous ions: Mn^(3+) , Cr^(3+) , V^(2+) and Ti^(3+) , Which one of these as the most stable in aqueous solution?