Which one of the following compounds is diamagnetic and colourless?

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Colour of Transition Metal Compounds, Magnetic Properties of Transition Metals | PadhAiPro

Question

MCQ (Single)Colour of Transition Metal CompoundsMagnetic Properties of Transition Metals

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.

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

Why is copper regarded as a transition element although copper atom has completely filled d-orbitals in its ground state ?