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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3cb083

Select all the pairs of species that have the same shape and the same central-atom hybridisation.

A $NO X_{3} X^{-}$ and $CO X_{3} X^{2 -}$
B $H X_{3} O X^{+}$ and $NH X_{4} X^{+}$
C $CO X_{2}$ and gaseous $BeCl X_{2}$
D $SO X_{2}$ and $CO X_{2}$

Answer: A, C

CO X_{2}

and

BeCl X_{2}

are both linear and

s p

.

NO X_{3} X^{-}

and

CO X_{3} X^{2 -}

are both trigonal planar and

s p^{2}

.

H X_{3} O X^{+}

is pyramidal while

NH X_{4} X^{+}

is tetrahedral (same

s p^{3}

but different shape), and

SO X_{2}

is bent

s p^{2}

while

CO X_{2}

is linear

s p

.

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