HARD

Earn 100

Assertion. $H - S - H$ bond angle in $H_{2} S$ is closer to $90 °$ but $H - O - H$ bond angle in $H_{2} O$ is $104.5 °$ .

Reason. lp-lp repulsion is stronger in $H_{2} S$ than in $H_{2} O$ .

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Important Questions on Chemical Bonding and Molecular Structure

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

Complexes

(M L_{5})

of metals

N i

and

F e

have ideal square pyramidal and trigonal bipyramidal geometries, respectively. The sum of the

90^{o}, 120^{o}

and

180^{o}

L - M - L

angles in the two complexes is_______

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

The shape of

X e O F_{4}

by VSEPR theory is:

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

The group of molecules having identical shape is:

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

The shape/structure of

{[{XeF}_{5}]}^{-}

and

{XeO}_{3} F_{2}

, respectively are :

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

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

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

The correct statement among the following is:

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

The

H - C - H, H - N - H

and

H - O - H

bond angles (in degrees) in methane, ammonia and water are respectively, closest to-

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

The geometry of

{SF}_{6}

molecule is

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

Among the following, which one is a wrong statement?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

Which of the following pairs of ions is isoelectronic and isostructural?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

{AB}_{4}

molecule is a polar molecule, a possible geometry of

{AB}_{4}

is :

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

In the structure of

{ClF}_{3},

the number of lone pairs of electrons on the central atom

Cl

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

The molecular geometry of

{SF}_{6}

is octahedral. What is the geometry of

{SF}_{4}

(including lone pair(s) of electrons, if (any)?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

The correct statement about

I {Cl}_{5}

and

I {Cl}_{4}^{-}

is:

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

The incorrect statement about carbonate

({CO}_{3}^{2 -})

ion is,

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

Incorrectly matched pair is :

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

Which of the following statements is false:

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

The numbers of lone pair(s) on

Xe in {XeF}_{2} and {XeF}_{4}

are respectively,

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

Predict the correct order among the following:

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>The Valence Shell Electron Pair Repulsion (VSEPR) Theory

The correct geometry and hybridization for

{XeF}_{4}

are

Assertion. H-S-H bond angle in H2S is closer to 90° but H-O-H bond angle in H2O is 104.5°. Reason. lp-lp repulsion is stronger in H2S than in H2O.

Important Questions on Chemical Bonding and Molecular Structure

Learn and Prepare for any exam you want !

Assertion. $H - S - H$ bond angle in $H_{2} S$ is closer to $90 °$ but $H - O - H$ bond angle in $H_{2} O$ is $104.5 °$ .

Reason. lp-lp repulsion is stronger in $H_{2} S$ than in $H_{2} O$ .