The bond order and magnetic property of acetylide ion are same as that of

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Correct answer: (C) NO^(+). The bond order of the acetylide ion HC≡C^(-) is 3, indicating a triple bond between the carbon atoms. The acetylide ion consists of two carbon atoms with a triple bond between them and a negative charge. In the triple bond, there are six bonding electrons (two pi bonds and one sigma bond) and zero antibonding electrons. Among the given options NO^(+) will have the same bond order and magnetic property like acetylide ion. Species Bond Order Magnetic moment HC≡C^(-) 3 0 O2^(+) 2.5 √3 B.M N2^(+) 2.5 √3 B.M NO^(+) 3 0 O2^(-) 1.5 √3 B.M

Species	Bond Order	Magnetic moment
$HC \equiv C^{-}$	$3$	$0$
${O_{2}}^{+}$	$2.5$	$\sqrt{3} B . M$
${N_{2}}^{+}$	$2.5$	$\sqrt{3} B . M$
${NO}^{+}$	$3$	$0$
${O_{2}}^{-}$	$1.5$	$\sqrt{3} B . M$

The bond order and magnetic property of acetylide ion are same as that of

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