An element of \( 1^{\text {st }} \) transition series \( \mathrm{X}^{3+} \) has highest magnetic...

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An element of \( 1^{\text {st }} \) transition series \( \mathrm{X}^{3+} \) has highest magnetic moment in series and \( \mathrm{X}^{2+} \) has non magnetic nature as low spin complex. If Atomic number of \( X \) is \( p \) and number of unpaired \( \mathrm{e}^{-} \)in free state if \( X^{2+} \) and \( X^{3+} \) is \( q \) and \( r \) , then calculate \( p+q+2 r \).
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