(b) (i) The electronic configuration of Ce is: ₅₈Ce = [Xe]⁵⁴ 4f¹ 5d¹ 6s² Calculate the spin only magnetic moment of Ce³⁺ ion. (ii) Why is copper regarded as a transition element although copper atom has completely filled d-orbitals in its ground state? (iii) Why is Sc³⁺ colourless in aqueous solution whereas Ti³⁺ is coloured?

Colour of Transition Metal Compounds, Magnetic Properties of Transition Metals, Electronic Configuration of Lanthanides | PadhAiPro

Question

CASE_STUDIESColour of Transition Metal CompoundsMagnetic Properties of Transition MetalsElectronic Configuration of LanthanidesCBSE PYQ1 sub-question

Account for the following :

Which ion amongst the following is colourless and why ? Ti4+, Cr3+, V3+ (Atomic number of Ti = 22, Cr = 24, V = 23)

TextVariable Oxidation States of Transition MetalsColour of Transition Metal Compounds

Why is Mn2+ much more resistant than Fe2+ towards oxidation ?

Highest oxidation state of a metal is shown in its oxide or fluoride only. Justify the statement.

Give reasons for the following statements :

The electronic configuration of Ce is : 58Ce = [Xe]54 4f1 5d1 6s2 Calculate the spin only magnetic moment of Ce3+ ion.