The magnetic moment of transition metal compound has been calculated to be 3.87 B.M. The metal ion is [2023]

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Q.
The magnetic moment of transition metal compound has been calculated to be 3.87 B.M. The metal ion is [2023]

1 ${Ti}^{2 +}$

2 ${Mn}^{2 +}$

3 $V^{2 +}$

4 ${Cr}^{2 +}$

Ans.
(3)

Ion Outer electronic configuration No. of unpaired electrons Magnetic moment

${Mn}^{2 +}$ $3 d^{5} 4 s^{0}$ 5 $\sqrt{35} BM$

$V^{2 +}$ $3 d^{3} 4 s^{0}$ 3 $\sqrt{15} BM$

${Ti}^{2 +}$ $3 d^{2} 4 s^{0}$ 2 $\sqrt{8} BM$

${Cr}^{2 +}$ $3 d^{4} 4 s^{0}$ 4 $\sqrt{24} BM$

Solution

Q.
The magnetic moment of transition metal compound has been calculated to be 3.87 B.M. The metal ion is [2023]

1 ${Ti}^{2 +}$

2 ${Mn}^{2 +}$

3 $V^{2 +}$

4 ${Cr}^{2 +}$

Ans.
(3)

Ion Outer electronic configuration No. of unpaired electrons Magnetic moment

${Mn}^{2 +}$ $3 d^{5} 4 s^{0}$ 5 $\sqrt{35} BM$

$V^{2 +}$ $3 d^{3} 4 s^{0}$ 3 $\sqrt{15} BM$

${Ti}^{2 +}$ $3 d^{2} 4 s^{0}$ 2 $\sqrt{8} BM$

${Cr}^{2 +}$ $3 d^{4} 4 s^{0}$ 4 $\sqrt{24} BM$

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Ion	Outer electronic configuration	No. of unpaired electrons	Magnetic moment
${Mn}^{2 +}$	$3 d^{5} 4 s^{0}$	5	$\sqrt{35} BM$
$V^{2 +}$	$3 d^{3} 4 s^{0}$	3	$\sqrt{15} BM$
${Ti}^{2 +}$	$3 d^{2} 4 s^{0}$	2	$\sqrt{8} BM$
${Cr}^{2 +}$	$3 d^{4} 4 s^{0}$	4	$\sqrt{24} BM$

Solution

Q. The magnetic moment of transition metal compound has been calculated to be 3.87 B.M. The metal ion is [2023]

1 Ti2+

2 Mn2+

3 V2+

4 Cr2+

Ans. (3) Ion Outer electronic configuration No. of unpaired electrons Magnetic moment Mn2+ 3d54s0 5 35BM V2+ 3d34s0 3 15BM Ti2+ 3d24s0 2 8BM Cr2+ 3d44s0 4 24BM

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Q.
The magnetic moment of transition metal compound has been calculated to be 3.87 B.M. The metal ion is [2023]

1 ${Ti}^{2 +}$

2 ${Mn}^{2 +}$

3 $V^{2 +}$

4 ${Cr}^{2 +}$

Ans.
(3)

Ion Outer electronic configuration No. of unpaired electrons Magnetic moment

${Mn}^{2 +}$ $3 d^{5} 4 s^{0}$ 5 $\sqrt{35} BM$

$V^{2 +}$ $3 d^{3} 4 s^{0}$ 3 $\sqrt{15} BM$

${Ti}^{2 +}$ $3 d^{2} 4 s^{0}$ 2 $\sqrt{8} BM$

${Cr}^{2 +}$ $3 d^{4} 4 s^{0}$ 4 $\sqrt{24} BM$