Resonance in carbonate ion CO 3 2 - is Which of the following is true?

CO 3 2 - has a single structure i.e., resonance hybrid of the above three structures.

It is possible to identify each structure individually by some physical or chemical method.

All these structures are in dynamic equilibrium with each other.

Each structure exists for equal amount of time.

Match List I with List II List I List II A. XeF 4 I.See-saw B. SF 4 II. Square planar C. NH 4 + III. Bent T - shaped D. BrF 3 IV. Tetrahedral Choose the correct answer from the options given below :

A - II , B - I , C - IV , D - III

A - IV , B - III , C - II , D - I

A - II , B - I , C - III , D - IV

A - IV , B - I , C - II , D - III

EASY

JEE Main

IMPORTANT

Earn 100

Decreasing order of the hydrogen bonding in following forms of water is correctly represented by
A. Liquid water
B. Ice
C. Impure water

61.64% studentsanswered this correctly

Important Questions on Chemical Bonding and Molecular Structure

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 24 January 2023 Shift 2>Q 134

What is the number of unpaired electron(s) in the highest occupied molecular orbital of the following species :

N_{2}, N_{2}^{+}, O_{2}, O_{2}^{+}

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 25 January 2023 Shift 1>Q 135

The total number of lone pairs of electrons on oxygen atoms of ozone is

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 25 January 2023 Shift 2>Q 136

Statement I:- Dipole moment is a vector quantity and by convention it is depicted by a small arrow with tail on the negative centre and head pointing towards the positive centre.

Statement II:- The crossed arrow of the dipole moment symbolizes the direction of the shift of charges in the molecules.

In the light of the above statements, choose the most appropriate answer from the options given below:-

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 29 January 2023 Shift 1>Q 137

The magnetic behaviour of

{Li}_{2} O

{Na}_{2} O_{2}

and

{KO}_{2}

, respectively, are

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 29 January 2023 Shift 1>Q 138

The number of molecules or ions from the following, which do not have odd number of electrons are _____ .
(A)

{NO}_{2}

(B)

{ICl}_{4}^{-}

(C)

{BrF}_{3}

(D)

{ClO}_{2}

(E)

{NO}_{2}^{+}

(F)

NO

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 29 January 2023 Shift 2>Q 139

According to

MO

theory the bond orders for

{O_{2}}^{2 -}

CO

and

{NO}^{+}

respectively, are

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 30 January 2023 Shift 1>Q 140

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

Choose the correct answer from the options given below:

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 13 - Chemical Bonding and Molecular Structure>JEE Main - 30 January 2023 Shift 1>Q 141

For ${OF}_{2}$ molecule consider the following:
(A) Number of lone pairs on oxygen is $2$ .
(B) $FOF$ angle is less than $104.5 °$ .
(C) Oxidation state of $O$ is $- 2$ .
(D) Molecule is bent ' $V$ ' shaped.
(E) Molecular geometry is linear.

Correct options are:

Decreasing order of the hydrogen bonding in following forms of water is correctly represented by A. Liquid water B. Ice C. Impure water

Important Questions on Chemical Bonding and Molecular Structure

Learn and Prepare for any exam you want !

Decreasing order of the hydrogen bonding in following forms of water is correctly represented by
A. Liquid water
B. Ice
C. Impure water