NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

1 Easy

1 of 1

Application +4 | -1

In Cu (Z = 29):

View answer and explanation

Correct option: B

14 electrons have spin in one direction and 15 electrons in other direction

Option B is correct because copper (Z=29) has 15 electrons with one spin and 14 with the opposite spin, considering its electronic configuration [Ar]3d¹⁰ 4s¹.

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.