Pair of transition metal ions having the same number of unpaired electrons is : [2025]

STUDY MATERIALS
COURSES
MORE
SUCCESS STORY
ADMISSION
STORE

Back

JEE ADVANCE

CLASS XI - XII
CRASH COURSE

CLASS XI - XII

CRASH COURSE

JEE MAIN

CLASS XI - XII
CRASH COURSE

CLASS XI - XII

CRASH COURSE

NEET

CLASS XI - XII
CRASH COURSE

CLASS XI - XII

CRASH COURSE

BITSAT

CLASS XI - XII

CLASS XI - XII

CBSE BOARD

CLASS IX

CLASS X

CLASS XI

CLASS XII

CLASS VI

CLASS VII

CLASS VIII

UP BOARD

CLASS IX
CLASS X
CLASS XI
CLASS XII

CLASS IX

CLASS X

CLASS XI

CLASS XII

CUET

CRASH COURSE

CRASH COURSE

Courses

CLASSROOM COURSES
ONLINE COURSES

ONLINE COURSES

Q.
Pair of transition metal ions having the same number of unpaired electrons is : [2025]

1 $V^{2 +}, {Co}^{2 +}$

2 ${Ti}^{2 +}, {Co}^{2 +}$

3 ${Fe}^{3 +}, {Cr}^{2 +}$

4 ${Ti}^{3 +}, {Mn}^{2 +}$

Ans.
(1)

Ion Electronic configuration Number of unpaired electrons

$V^{2 +}$ ${}_{18}{[Ar]}$ $3 d^{3}$ 3

${Co}^{2 +}$ ${}_{18}{[Ar]}$ $3 d^{7}$ 3

${Ti}^{2 +}$ ${}_{18}{[Ar]}$ $3 d^{2}$ 2

${Fe}^{3 +}$ ${}_{18}{[Ar]}$ $3 d^{5}$ 5

${Cr}^{2 +}$ ${}_{18}{[Ar]}$ $3 d^{4}$ 4

${Ti}^{3 +}$ ${}_{18}{[Ar]}$ $3 d^{1}$ 1

${Mn}^{2 +}$ ${}_{18}{[Ar]}$ $3 d^{5}$ 5

Solution

Q.
Pair of transition metal ions having the same number of unpaired electrons is : [2025]

1 $V^{2 +}, {Co}^{2 +}$

2 ${Ti}^{2 +}, {Co}^{2 +}$

3 ${Fe}^{3 +}, {Cr}^{2 +}$

4 ${Ti}^{3 +}, {Mn}^{2 +}$

Want Us to Email you About Special Offers & Updates?

Ion	Electronic configuration	Number of unpaired electrons
$V^{2 +}$	${}_{18}{[Ar]}$ $3 d^{3}$	3
${Co}^{2 +}$	${}_{18}{[Ar]}$ $3 d^{7}$	3
${Ti}^{2 +}$	${}_{18}{[Ar]}$ $3 d^{2}$	2
${Fe}^{3 +}$	${}_{18}{[Ar]}$ $3 d^{5}$	5
${Cr}^{2 +}$	${}_{18}{[Ar]}$ $3 d^{4}$	4
${Ti}^{3 +}$	${}_{18}{[Ar]}$ $3 d^{1}$	1
${Mn}^{2 +}$	${}_{18}{[Ar]}$ $3 d^{5}$	5

Solution

Q. Pair of transition metal ions having the same number of unpaired electrons is : [2025]

1 V2+,Co2+

2 Ti2+,Co2+

3 Fe3+,Cr2+

4 Ti3+,Mn2+

Ans. (1) Ion Electronic configuration Number of unpaired electrons V2+ [Ar]183d3 3 Co2+ [Ar]183d7 3 Ti2+ [Ar]183d2 2 Fe3+ [Ar]183d5 5 Cr2+ [Ar]183d4 4 Ti3+ [Ar]183d1 1 Mn2+ [Ar]183d5 5

Want Us to Email you About Special Offers & Updates?

Q.
Pair of transition metal ions having the same number of unpaired electrons is : [2025]

1 $V^{2 +}, {Co}^{2 +}$

2 ${Ti}^{2 +}, {Co}^{2 +}$

3 ${Fe}^{3 +}, {Cr}^{2 +}$

4 ${Ti}^{3 +}, {Mn}^{2 +}$