Which of the following is not arranged in the | vedclass

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(C) The magnetic moment $\mu$ is calculated using the formula $\mu = \sqrt{n(n+2)}$,where $n$ is the number of unpaired electrons.For the given $d$-co

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$d^5, d^3, d^1, d^4$ - Increasing magnetic moment

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(C) The magnetic moment $\mu$ is calculated using the formula $\mu = \sqrt{n(n+2)}$,where $n$ is the number of unpaired electrons.For the given $d$-configurations,the number of unpaired electrons are:$d^1: n=1, \mu = \sqrt{1(3)} = 1.73 \ BM$$d^3: n=3, \mu = \sqrt{3(5)} = 3.87 \ BM$$d^4: n=4, \mu = \sqrt{4(6)} = 4.90 \ BM$$d^5: n=5, \mu = \sqrt{5(7)} = 5.92 \ BM$Thus,the correct order of increasing magnetic moment is $d^1 The sequence given in option $C$ $(d^5, d^3, d^1, d^4)$ is incorrect.

List-$I$	List-$II$
$A$. Oxidation state of $V$ in $VOCl_2$	$I$. $0$
$B$. Number of unpaired electrons in $MnO_4^{2-}$ ion	$II$. $1$
$C$. Number of unpaired electrons in $[NiCl_4]^{2-}$ ion	$III$. $5$
$D$. This oxidation state is exhibited by all lanthanide ions	$IV$. $3$
	$V$. $4$
	$VI$. $2$

Which of the following is not arranged in the correct sequence?

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