Maximum magnetic moment is shown by:

d^{5}

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d^{6}

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d^{7}

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d^{8}

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Solution

The correct option is D $d^{5}$
Magnetic moment increases with the increase in number of unpaired electrons.

$d^{5}$ has 5 unpaired electrons .

$d^{6}$ has 4 unpaired electrons

$d^{7}$ has 3 unpaired electrons
$d^{8}$ has 2 unpaired electrons.

Hence,option A is correct.

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Similar questions

C r^{2 +}, M n^{2 +}, F e^{2 +} and C o^{2 +}

d^{4}

d^{5}

d^{6}

d^{7}

C r^{2 +}, M n^{2 +}, F e^{2 +}

C o^{2 +}

d^{4}, d^{5}, d^{6}

d^{^{7}}

= 24, M n = 25, F e = 26, C o = 27)

d^{8}

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