Chemical Bonding NEET Questions 2024

Chemical Bonding and Molecular Structure Chemistry NEET Practice Questions

1 / 26

Among the following, which compound will show the highest lattice energy?

(a) KF

(b) NaF

(d) RbF

2 / 26

The electronegativity difference between N and F is greater than that between N and H yet the dipole moment of NH₃ (1.5 D) is larger than that of NF₃ (0.2 D). This is because

(a) in NH₃ the atomic dipole and bond dipole are in the opposite directions whereas in NF₃ these are in the same direction

(b) in NH₃ as well as in NF₃ the atomic dipole and bond dipole are in the same direction

(d) in NH₃ as well as in NF₃ the atomic dipole and bond dipole are in opposite directions.

3 / 26

Which of the following bonds will be most polar?

(a) N – Cl

(b) O – F

(d) N – N

4 / 26

Which of the following molecules does not possess a permanent dipole moment?

(a) CS₂

(b) SO₃

(d) SO₂

5 / 26

The correct sequence of increasing covalent character is represented by

(d) BeCl₂ < NaCl < LiCl

(a) LiCl < NaCl < BeCl₂

(b) BeCl₂ < LiCl < NaCl

6 / 26

The correct order of C – O bond length among CO, CO₃^2–, CO₂ is

(a) CO < CO₃^2– < CO₂

(b) CO₃^2– < CO₂ < CO

(d) CO₂ < CO₃^2– < CO

7 / 26

H₂O is dipolar, whereas BeF₂ is not. It is because

(a) the electronegativity of F is greater than that of O

(b) H₂O involves hydrogen bonding whereas BeF₂ is a discrete molecule

(d) H₂O is angular and BeF₂ is linear.

8 / 26

The correct order of increasing bond angles in the following triatomic species is

(a) NO₂⁺ < NO₂ < NO₂^–

(b) NO₂⁺ < NO₂^– < NO₂

(d) NO₂^– < NO₂ < NO₂⁺

9 / 26

Which of the following is not a correct statement?

(a) Multiple bonds are always shorter than corresponding single bonds.

(b) The electron-deficient molecules can act as Lewis acids.

(d) Every AB5 molecule does in fact have a square pyramid structure.

10 / 26

Which of the following species contains three bonds pairs and one lone pair around the central atom?

(a) H₂O

(b) BF₃

(d) PCl₃

11 / 26

Among LiCl, BeCl₂, BCl₃ and CCl₄, the covalent bond character follows the order

(a) BeCl₂ > BCl₃ > CCl₄ < LiCl

(b) BeCl₂ < BCl₃ < CCl₄ < LiCl

(d) LiCl > BeCl₂ > BCl₃ > CCl₄

12 / 26

Which of the following is the correct order of dipole moment?

(a) NH₃ < BF₃ < NF₃ < H₂O

(b) BF₃ < NF₃ < NH₃ < H₂O

(d) H2O < NF₃ < NH₃ < BF₃

13 / 26

In which of the following molecules all the bonds are not equal?

(a) NF₃

(b) ClF₃

(d) AlF₃

14 / 26

The correct order in which the O – O bond length increases in the following is

(a) O₂ < H₂O₂ < O₃

(b) O₃ < H₂O₂ < O₂

(d) O₂ < O₃ < H₂O₂

15 / 26

Which of the following would have a permanent dipole moment?

(a) SiF₄

(b) SF₄

(d) BF₃

16 / 26

Which of the following molecules has trigonal planar geometry?

(a) BF₃

(b) NH₃

(d) IF₃

17 / 26

Predict the correct order among the following:

(a) bond pair-bond pair > lone pair-bond pair > lone pair - lone pair

(b) lone pair-bond pair > bond pair-bond pair > lone pair - lone pair

(d) lone pair - lone pair > bond pair-bond > lone pair-bond pair

18 / 26

Which of the following is not isostructural with SiCl₄?

(a) NH4⁺

(b) SCl₄

(d) PO₄^3–

19 / 26

Which of the following, sets of molecules will have zero dipole moment?

(a) Ammonia, beryllium difluoride, water, 1, 4-dichlorobenzene

(b) Boron trifluoride, hydrogen fluoride, carbon dioxide, 1, 3-dichlorobenzene

(d) Boron trifluoride, beryllium difluoride, carbon dioxide, 1, 4-dichlorobenzene

20 / 26

Strongest bond is in between

(a) CsF

(b) NaCl

(d) none of the above.

21 / 26

The correct order of increasing bond length of C – H, C – O, C – C and C= C is

(a) C – H < C= C < C – O < C - C

(b) C – C < C= C < C – O < C – H

(d) C – H < C – O < C – C < C= C

22 / 26

The species, having bond angles of 120^° is

(a) ClF₃

(b) NCl₃

(d) PH₃

23 / 26

Which of the following molecules has the maximum dipole moment?

(a) CO₂

(b) CH₄

(d) NF₃

24 / 26

H₂O is dipolar, whereas BeF₂ is not. It is because

(a) the electronegativity of F is greater than that of O

(b) H₂O involves hydrogen bonding whereas BeF₂ is a discrete molecule

(d) H₂O is angular and BeF₂ is linear.

25 / 26

In PO₄^3– ion, the formal charge on each oxygen atom and P—O bond order respectively are

(a) –0.75, 1.25

(b) –0.75, 1.0

(d) –3, 1.25

26 / 26

Which of the following would have a permanent dipole moment?

(a) SiF₄

(b) SF₄

(d) BF₃

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Chemical Bonding - NEET Questions

Class XI Chemistry Questions

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Some Basic Concepts of Chemistry

Structure of Atom

Classification of Elements

Chemical Bonding

States of Matter

Thermodynamics

Equilibrium

Redox Reactions

Hydrogen

Hydrocarbons

S- Block Elements

Environmental Chemistry

The p – Block Elements

Some Basic Principles and Techniques

Class XII Chemistry Questions

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The Solid State

Solutions

Chemical Kinetics

Surface Chemistry

General Principles and Processes of Isolation of Elements

The p – Block Elements

Haloalkanes and Haloarenes

Alcohols, Phenols and Ethers

The d – and f – Block Elements

Aldehydes, Ketones

Coordination Compounds

Carboxylic Acids

Amines

Polymers

Biomolecules

Chemistry in Everyday Life

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