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CGPET 2022 Solved Paper

Section: Chemistry

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Question : 63 of 150

Marks: +1, -0

Among the following which are mismatched?

	Molecule	Hybridisation
A.	$\mathrm{ClO}_2^{-}$	$sp^3$
B.	$\mathrm{NH}_3$	$sp^2$
C.	$\mathrm{SF}_6$	$sp^3d^2$
D.	$\mathrm{SF}_4$	$sp^3d$
E.	$\mathrm{XeF}_4$	$sp$

$A$ and $C$
$B$ and $E$
C and E
$A$ and $D$

Solution:

\mathrm{NH}_3

is

sp^3

-hybrid having a lone pair.

\mathrm{XeF}_4

is

sp^3d^2

-hybrid having 2 lone pairs.

Hence, B and E are mismatched.

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