Magnetic moment of X 3 + ion of 3 d series is 2 6 B M . What is the atomic number of X ?

Open MARKS Web Download App

Search any question & find its solution

Question: Answered & Verified by Expert

Magnetic moment of

X^{3 +}

ion of

3 d

series is

2 \sqrt{6} B M

. What is the atomic number of

X

?

ChemistryStructure of AtomNEET

Options:

A $24$
B $26$
C $25$
D $28$

Solution:

1683 Upvotes Verified Answer

The correct answer is:

25

Magnetic moment

\sqrt{n (n + 2)} = 2 \sqrt{6} \Rightarrow n (n + 2) = 24 \Rightarrow n = 4

\Rightarrow M n^{3 +}

has

4

unpaired electrons.
atomic number of

X = 25

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