Which of the following transition metal ions has highest magnetic moment?

c u^{2 +}

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N i^{2 +}

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C o^{2 +}

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F e^{2 +}

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Solution

The correct option is D $F e^{2 +}$
Magnetic moment depends on number of unpaired electrons,in $F e^{+ 2}$ has $4$ unpaired electrons while $C o^{+ 2}$ , $N i^{+ 2}$ , $C u^{+ 2}$ has $3, 2, 1$ unpaired electrons respectively.

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Similar questions

M^{2 +}

Z n^{2 +} > S c^{2 +} = C u^{2 +} > T i^{2 +} = N i^{2 +} > V^{2 +} = C o^{2 +} > C r^{2 +} = F e^{2 +} > M n^{2 +}

C u^{2 +}, N i^{2 +}, C o^{2 +}, F e^{2 +}

M n^{2 +}

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