Hybridisation and VSEPR Theory

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JEE Advanced 2026

LEVELJEE Advanced

Consider the following species : $SOCl_{2}$ , $XeOF_{4}$ , $ClF_{3}$ , $ClF_{5}$ , $XeF_{5}^{+}$ , $SO_{3}^{2 -}$ , $XeF_{3}^{+}$ , $SF_{4}$ List-I contains different molecular shapes and List-II contains total number of species with the same molecular shapes from the given species. Match each entry in List-I with the appropriate entry in List-II.

NO_{2}^{+} < NO_{2} < NO_{3}^{-} < NO_{2}^{-}

(B)

NO_{2}^{-} < NO_{3}^{-} < NO_{2} < NO_{2}^{+}

(C)

NO_{3}^{-} < NO_{2}^{-} < NO_{2} < NO_{2}^{+}

(D)

NO_{2}^{-} < NO_{3}^{-} < NO_{2}^{+} < NO_{2}

JEE Advanced 2017

LEVELJEE Advanced

The correct statements(s) about the oxoacids, $HClO_{4}$ and $HClO$ , is (are) -

* Multiple Correct Options

(A)

HClO_{4}

is more acidic than

HClO

because of the resonance stabilization of its anion

(B)

HClO_{4}

is formed in the reaction between

Cl_{2}

and

H_{2} O

(C)

The central atom in Both

HClO_{4}

and

HClO

sp^{3}

hybridized

(D)

The conjugate base of

HClO_{4}

is weaker base than

H_{2} O

JEE Advanced 2019

LEVELJEE Advanced

Each of the following options contains a set of four molecules. Identify the option(s) where all four molecules possess permanent dipole moment at room temperature.

* Multiple Correct Options

(A)

BeCl_{2}

CO_{2}

BCl_{3}

CHCl_{3}

(B)

SO_{2}

C_{6} H_{5} Cl

H_{2} Se

BrF_{5}

(C)

BF_{3}

O_{3}

SF_{6}

XeF_{6}

(D)

NO_{2}

NH_{3}

POCl_{3}

CH_{3} Cl

JEE Advanced 2017

LEVELJEE Advanced

The sum of the number of lone pairs of electrons on each central atom in the following species is. $[T e B r_{6}]^{2 -}$ , $[B r F_{2}]^{+}$ , $S N F_{3}$ and $[X e F_{3}]^{-}$ [Atomic number : N = 7, F = 9, S = 16, Br = 35, Te = 52, Xe = 54]

JEE Advanced 2016

LEVELJEE Main

The compound(s) with TWO lone pairs of electrons on the central atom is(are)

* Multiple Correct Options

(A)

BrF_{5}

(B)

ClF_{3}

(C)

XeF_{4}

(D)

SF_{4}

JEE Advanced 2023

LEVELJEE Advanced

Among $[I_{3}]^{+}$ , $[SiO_{4}]^{4 -}$ , $SO_{2} Cl_{2}$ , $XeF_{2}$ , $SF_{4}$ , $ClF_{3}$ , $Ni(CO)_{4}$ , $XeO_{2} F_{2}$ , $[PtCl_{4}]^{2 -}$ , $XeF_{4}$ , and $SOCl_{2}$ , the total number of species having $s p^{3}$ hybridised central atom is ______.

JEE Main 2015

LEVELJEE Advanced

Among the triatomic molecules / ions, $BeCl_{2}$ , $N_{3}^{-}$ , $N_{2} O$ , $NO_{2}^{+}$ , $O_{3}$ , $SCl_{2}$ , $ICl_{2}^{-}$ , $I_{3}^{-}$ and $XeF_{2}$ the total number of linear molecules(s) / ion(s) where the hybridization of the central atoms does not have contribution from the d-orbital(s) is : (Atomic number : S = 16, Cl = 17, I = 53 and Xe = 54)

JEE Main 2020

LEVELJEE Main

The number of $s p^{2}$ -hybrid orbitals in a molecule of benzene is

The maximum number of $9 0^{\circ}$ angles between bond pair-bond pair of electrons is observed in

(A)

d s p^{3}

hybridisation

(B)

s p^{3} d

hybridisation

(C)

d s p^{2}

hybridisation

(D)

s p^{3} d^{2}

hybridisation

JEE Main 2012

LEVELJEE Main

In which of the following pairs, the two species are not isostructural?

(A)

CO_{3}^{2 -}

and

NO_{3}^{-}

(B)

PCl_{4}^{+}

and

SiCl_{4}

(C)

PF_{5}

and

BrF_{5}

(D)

AlF_{6}^{3 -}

and

SF_{6}

LEVELJEE Main

The states of hybridisation of boron and oxygen atoms in boric acid ( $H_{3} BO_{3}$ ) are respectively

(A)

sp^{2}

and

sp^{2}

(B)

sp^{2}

and

sp^{3}

(C)

sp^{3}

and

sp^{2}

(D)

sp^{3}

and

sp^{3}

LEVELJEE Main

The molecule having smallest bond angle is

(A)

NCl_{3}

(B)

AsCl_{3}

(C)

SbCl_{3}

(D)

PCl_{3}

LEVELJEE Main

Which of the following has maximum number of lone pairs associated with Xe?

(A)

XeO_{3}

(B)

XeF_{4}

(C)

XeF_{6}

(D)

XeF_{2}

JEE Main 2021

LEVELJEE Main

The number of lone pairs of electron on the central I atom in $I_{3}^{-}$ is …… .

JEE Main 2005

LEVELJEE Main

The molecular shapes of $S F_{4}, C F_{4}$ and $X e F_{4}$ are

(A)

different with 1, 0 and 2 lone pair of electrons on the central atom, respectively

(B)

different with 0, 1 and 2 lone pair of electrons on the central atom, respectively

(C)

the same with 1, 1 and 1 lone pair of electrons on the central atom, respectively

(D)

the same with 2, 0 and 1 lone pair of electrons on the central atom, respectively

JEE Main 2004

LEVELJEE Main

The correct order of bond angles (smallest first) in $H_{2} S$ , $NH_{3}$ , $BF_{3}$ and $SiH_{4}$ is

(A)

H_{2} S < SiH_{4} < NH_{3} < BF_{3}

(B)

NH_{3} < H_{2} S < SiH_{4} < BF_{3}

(C)

H_{2} S < NH_{3} < SiH_{4} < BF_{3}

(D)

H_{2} S < NH_{3} < BF_{3} < SiH_{4}

JEE Main 2021

LEVELJEE Main

In $CH_{2} = C = CH - CH_{3}$ molecule, the hybridisation of carbon 1, 2, 3 and 4 respectively are

(A)

s p^{3}, s p, s p^{3}, s p^{3}

(B)

s p^{2}, s p^{2}, s p^{2}, s p^{3}

(C)

s p^{2}, s p, s p^{2}, s p^{3}

(D)

s p^{2}, s p^{3}, s p^{2}, s p^{3}

LEVELJEE Main

Which one of the following does not have $sp^{2}$ hybridised carbon?

Which one of the following compounds has the smallest bond angle?

(A)

SO_{2}

(B)

OH_{2}

(C)

SH_{2}

(D)

NH_{3}

JEE Main 2021

LEVELJEE Main

Which of the following are isostructural pairs ? A. $SO_{4}^{2 -}$ and $CrO_{4}^{2 -}$ B. $SiCl_{4}$ and $TiCl_{4}$ C. $NH_{3}$ and $NO_{3}^{-}$ D. $BCl_{3}$ and $BrCl_{3}$

The hybridisations of the atomic orbitals of nitrogen in $NO_{2}^{-}$ , $NO_{2}^{+}$ and $NH_{4}^{+}$ respectively are

(A)

s p^{3}, s p^{2}

and

s p

(B)

s p, s p^{2}

and

s p^{3}

(C)

s p^{3}, s p

and

s p^{2}

(D)

s p^{2}, s p

and

s p^{3}

LEVELJEE Main

Underlined carbon is $sp^{3}$ hybridised in

(A)

CH_{3} \underline{C} H = CH_{2}

(B)

CH_{3} \underline{C} H_{2} NH_{2}

(C)

CH_{3} \underline{C} ONH_{2}

(D)

CH_{3} CH_{2} \underline{C} N

JEE Main 2011

LEVELJEE Main

The structure of $I F_{7}$ is

Which among the following species has unequal bond lengths ?

(A)

XeF_{4}

(B)

SiF_{4}

(C)

SF_{4}

(D)

BF_{4}^{-}

List-I

List-II

The correct order of ONO bond angle in the given species is :

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } The correct statements(s) about the oxoacids, HClO4​ and HClO, is (are) -

Each of the following options contains a set of four molecules. Identify the option(s) where all four molecules possess permanent dipole moment at room temperature.

The compound(s) with TWO lone pairs of electrons on the central atom is(are)

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } The number of sp2-hybrid orbitals in a molecule of benzene is

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } The maximum number of 90∘ angles between bond pair-bond pair of electrons is observed in

In which of the following pairs, the two species are not isostructural?

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } The states of hybridisation of boron and oxygen atoms in boric acid (H3​BO3​) are respectively

The molecule having smallest bond angle is

Which of the following has maximum number of lone pairs associated with Xe?

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } The number of lone pairs of electron on the central I atom in I3−​ is …… .

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } The molecular shapes of SF4​,CF4​ and XeF4​ are

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } The correct order of bond angles (smallest first) in H2​S, NH3​, BF3​ and SiH4​ is

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } In CH2​=C=CH−CH3​ molecule, the hybridisation of carbon 1, 2, 3 and 4 respectively are

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } Which one of the following does not have sp2 hybridised carbon?

Which one of the following compounds has the smallest bond angle?

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } Which of the following are isostructural pairs ? A. SO42−​ and CrO42−​ B. SiCl4​ and TiCl4​ C. NH3​ and NO3−​ D. BCl3​ and BrCl3​

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } The hybridisations of the atomic orbitals of nitrogen in NO2−​, NO2+​ and NH4+​ respectively are

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } Underlined carbon is sp3 hybridised in

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } The structure of IF7​ is

Which among the following species has unequal bond lengths ?

The correct statements(s) about the oxoacids, $HClO_{4}$ and $HClO$ , is (are) -

The number of $s p^{2}$ -hybrid orbitals in a molecule of benzene is

The maximum number of $9 0^{\circ}$ angles between bond pair-bond pair of electrons is observed in

The states of hybridisation of boron and oxygen atoms in boric acid ( $H_{3} BO_{3}$ ) are respectively

The number of lone pairs of electron on the central I atom in $I_{3}^{-}$ is …… .

The molecular shapes of $S F_{4}, C F_{4}$ and $X e F_{4}$ are

The correct order of bond angles (smallest first) in $H_{2} S$ , $NH_{3}$ , $BF_{3}$ and $SiH_{4}$ is

In $CH_{2} = C = CH - CH_{3}$ molecule, the hybridisation of carbon 1, 2, 3 and 4 respectively are

Which one of the following does not have $sp^{2}$ hybridised carbon?

Which of the following are isostructural pairs ? A. $SO_{4}^{2 -}$ and $CrO_{4}^{2 -}$ B. $SiCl_{4}$ and $TiCl_{4}$ C. $NH_{3}$ and $NO_{3}^{-}$ D. $BCl_{3}$ and $BrCl_{3}$

The hybridisations of the atomic orbitals of nitrogen in $NO_{2}^{-}$ , $NO_{2}^{+}$ and $NH_{4}^{+}$ respectively are

Underlined carbon is $sp^{3}$ hybridised in

The structure of $I F_{7}$ is