Match the following columns and choose the correct option from the codes given below.
Column I
(Molecule) Column II
(Magnetic properties) Column III
(Bond order)
$A. B_{2}$ $1. Paramagnetic$ (i) 2
$B. C_{2}$ $2. Diamagrletic$ (ii) 1
$C. N_{2}$ (iii) 3
Codes

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A-2(ii) B-1(iii) C-1(i)

A-1(i) B-2(ii) C-1(iii)

A-1(ii) B-2(i) C-2(iii)

A-1(iii) B-2(i) C-1(ii)

answer is B.

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Detailed Solution

	$B_{2}$	$C_{2}$	$N_{2}$
Bond order	1	2	3
Magnetic properties	Paramagnetic	Diamagnetic	Diamagnetic
Valence electron configuration	$kk (σ 2 s)^{2} (σ^{*} 2 s)^{2}$ $(π 2 p)^{2}$	$kk (σ 2 s)^{2} (σ^{*} 2 s)^{2}$ $(π 2 p)^{4}$	$kk (σ 2 s)^{2} (σ^{*} 2 s)^{2}$ $(π 2 p)^{4} (σ 2 p_{z})^{2}$

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Column I (Molecule)	Column II (Magnetic properties)	Column III (Bond order)
$A. B_{2}$	$1. Paramagnetic$	(i) 2
$B. C_{2}$	$2. Diamagrletic$	(ii) 1
$C. N_{2}$		(iii) 3