NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

1 Easy

1 of 1

Analyzing +4 | -1

Which one of the following ions exhibits d-d transition and paramagnetism as well ?

View answer and explanation

Correct option: A

\,\,\mathrm{Mn}\,\mathrm{O}_\mathrm{4}^{\mathrm{2 - }}

Option A (

MnO_4^{2-}

) is correct because it exhibits both d-d transition (due to the presence of d electrons) and paramagnetism (due to the presence of unpaired electrons).

More Questions from d & f- BLOCK ELEMENTS

Practice All Chapter MCQs →

A substance which is not paramagnetic is: Green vitriol is Which is the correct order of ionic sizes?) At.no.∶Ce=58,Sn=50,Yb=70 and Lu=71) In the first transition series, the differentiating electron enters: Philosopher’s wool on heating with BaO at 1100

^\circ

C produce A compound in which a metal ion

{\mathrm{M}^{x + }}

(Z=25) has a spin only magnetic moment of

\sqrt {24}

BM. The number of unpaired electrons in the compound and the oxidation state of the metal ion are respectively.