Among the given species,identify the isostruc | vedclass

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(B) Isostructural species are those that have the same hybridization and the same geometry.$1$. $[NF_3]$ is pyramidal ($sp^3$ hybridization with one l

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$[BF_4^- 	ext{ and } NH_4^+]$

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(B) Isostructural species are those that have the same hybridization and the same geometry.$1$. $[NF_3]$ is pyramidal ($sp^3$ hybridization with one lone pair) and $[BF_3]$ is trigonal planar ($sp^2$ hybridization).$2$. $[BF_4^-]$ has $sp^3$ hybridization and tetrahedral geometry. $[NH_4^+]$ also has $sp^3$ hybridization and tetrahedral geometry. Thus,they are isostructural.$3$. $[BCl_3]$ is trigonal planar $(sp^2)$,while $[BrCl_3]$ is $T$-shaped ($sp^3d$ with two lone pairs).$4$. $[NH_3]$ is pyramidal $(sp^3)$,while $[NO_3^-]$ is trigonal planar $(sp^2)$.Therefore,the correct pair is $[BF_4^- 	ext{ and } NH_4^+]$.

List-$I$ (molecules/ions)	List-$II$ (No. of lone pairs of $e^-$ on central atom)
$A$. $IF_7$	$I$. Three
$B$. $ICl_4^-$	$II$. One
$C$. $XeF_6$	$III$. Two
$D$. $XeF_2$	$IV$. Zero

Among the given species,identify the isostructural pairs.

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The correct order of bond angles (smallest first) in $H_2S, NH_3, BF_3$ and $SiH_4$ is

Match List-$I$ with List-$II$.

List-$I$ (molecules/ions) List-$II$ (No. of lone pairs of $e^-$ on central atom)

$A$. $IF_7$ $I$. Three

$B$. $ICl_4^-$ $II$. One

$C$. $XeF_6$ $III$. Two

$D$. $XeF_2$ $IV$. Zero

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