Calculate the unpaired electrons for a metal ion of first transition series having the magnetic moment of 2.83 BM.

Open MARKS Web Download App

Search any question & find its solution

Question: Answered & Verified by Expert

Calculate the unpaired electrons for a metal ion of first transition series having the magnetic moment of 2.83 BM.

ChemistryCoordination CompoundsNEET

Options:

A 6
B 4
C 3
D 2

Solution:

2504 Upvotes Verified Answer

The correct answer is: 2

μ = \sqrt{n (n + 2)}

( magnetic moment)
( where n = no. of unpaired electron).

2.83 = \sqrt{n (n + 2)}

n (n + 2) = 8

n^{2} + 2 n - 8 = 0

n = 2

.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play