Column-I
(Species)
Column-II
(Hybridization, shape)
$I) {CO}_{3}^{2 -}$ $A) s p^{3},$ pyramidal
$II) {CH}_{3}^{-}$ $B) s p^{3},$ tetrahedral
$III) {NH}_{4}^{+}$ $C) s p^{2},$ trigonal planar
$IV) {NO}_{2}^{-}$ $D) s p^{2},$ angular (or) bent
Correct match is

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I-D; II-B; III-A; IV-C

I-A; II-C; III-B; IV-D

I-C; II-A; III-B; IV-D

I-A; II-C; III-B; I-D

answer is B.

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Detailed Solution

${CO}_{3}^{2 -} \dots .3 b.p \dots . {sp}^{2} \dots \dots$ trigonal planar

${C H}_{3}^{-} \dots \dots . 3 b.p+1l.p...sp p^{3} \dots$ pyramidal

$N H_{4}^{+} \dots . 4 b.p...sp p^{3} \dots$ tetrahedral

${N O}_{2}^{-} \dots . 2 b.p p + 1 {l.p...sp}^{2} \dots$ angular

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Column-I (Species)	Column-II (Hybridization, shape)
$I) {CO}_{3}^{2 -}$	$A) s p^{3},$ pyramidal
$II) {CH}_{3}^{-}$	$B) s p^{3},$ tetrahedral
$III) {NH}_{4}^{+}$	$C) s p^{2},$ trigonal planar
$IV) {NO}_{2}^{-}$	$D) s p^{2},$ angular (or) bent