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Home  >>  JEEMAIN and NEET  >>  Chemistry  >>  Atomic Structure

Which of the following has the maximum number of unpaired electrons?

$Mg^{2+}\qquad(c)\;Ti^{3+}\qquad(c)\;V^{3+}\qquad(d)\;Fe^{2+}$

1 Answer

$Fe^{2+}$ has $1s^2,2s^22p^6,3s^23p^63d^6$ configuration with 4 unpaired electron.
Hence (d) is the correct answer.
answered Jan 10, 2014 by sreemathi.v
 

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