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NEET Chemical Bonding and Molecular Structure PYQs with Solutions

1,423 previous year questions from Chemical Bonding and Molecular Structure (NEET UG Chemistry) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

1,423 questionsChemistry2001–2026Answers + solutions

About Chemical Bonding and Molecular Structure PYQs

Chemical Bonding and Molecular Structure has 1,423 previous year questions in the Quantrex Academy NEET UG Chemistry bank. The 220 questions in this list come from AIIMS (87), NEET (73), JIPMER (45) and 1 other source, spanning 2001 to 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

NEET Chemical Bonding and Molecular Structure PYQs with Solutions

About Chemical Bonding and Molecular Structure PYQs

Questions by year (this list)

Chemical Bonding and Molecular Structure questions with solutions

Which of the following molecules shows sp^3d hybridisation?

Identify a pair of molecules having zero dipole moment.

Identify the correct decreasing order of lattice enthalpy for metal fluorides from following.

Which of the following bonds is expected to be the most polar?

Which of the following species is paramagnetic?

What is the number of bonding and antibonding electrons, respectively, in Li_2 molecule?

What is the number of electrons in bonding molecular orbitals and antibonding molecular orbitals respectively in F_2 molecule?

Identify the hybridization in BF_3 molecule.

Identify a hydride with highest boiling point from following?

Which orbital overlap produces a σ bond in HCl?

The bond order of N_2^+ ion is:

What is the bond angle Cl-B-Cl and molecular geometry of BCl_3 molecule?

Which one of the following is NOT an example of an expanded octate?

Which of the following is the decreasing order of covalent character of alkali metal halides?

Which of the following compounds has the highest boiling point?

The correct formal charges on oxygen atoms numbered 2 , 1 and 3 respectively are :

Match List I with List II : List I List II A. C_2H_4 I. 3\ σ bonds, 2\ π bonds B. C_2H_2 II. 3\ σ bonds, one lone pair C. CH_4 III. 4\ σ bonds D. NH_3 IV. 5\ σ bonds, 1\ π bond

Match the species in List I with their geometry in List II List I List II A. PCl _5 I. Tetrahedral B. BrF _5 II. Square Planar C. BF _4^- III. Trigonal bipyramidal D. [Ni(CN) _4 ]

The highest occupied molecular orbital for Ne _2 is

Identify the correct statement about ClF_3 from the following options :

Identify the correct orders against the property mentioned (A) H_2 O _3 _3 - dipole moment (B) XeF_4 _3 _2- number of lone pairs on central atom (C) O-H -H -O- bond length (D) N_2

Given below are two statements : Statement I : A hypothetical diatomic molecule with bond order zero is quite stable. Statement II : As bond order increases, the bond length

Arrange the following compounds in increasing order of their solubilities in chloroform: NaCl, CH_3 OH , cyclohexane, CH_3 CN

Identify the incorrect statement about PCl_5 .

Match List I with List II. Choose the correct answer from the options given below:

Match List I with List II. Choose the correct answer from the options given below:

Identify the correct answer.

Which of the following molecules has "NON ZERO" dipole moment value?

Intramolecular hydrogen bonding is present in

The correct order of dipole moments for molecules NH_3, H_2 ~S, CH_4 and HF , is

Which one of the following statements is incorrect related to Molecular Orbital Theory?

The correct order of energies of molecular orbitals of N _ 2 molecule, is:

Intermolecular forces are forces of attraction and repulsion between interacting particles that will include : A. dipole-dipole forces. B. dipole-induced dipole forces. C.

The number of σ bonds, π bonds and lone pair of electrons in pyridine, respectively.

Amongst the following, the total number of species NOT having eight electrons around central atom in its outer most shell, is NH _ 3 , AlCl _ 3 , BeCl _ 2 , CCl _ 4 , PCl _ 5

The correct order of bond angles in the following compounds/species is :

Match List-I with List-II : \( List - I List - II (Molecules) Shape (a) NH_3 (i) Square pyramidal (b) ClF_3 (ii) Trigonal bipyramidal (c) PCl_5 (iii) Trigonal pyramidal (d) BrF_5

What is the hybridization shown by C_1 and C_2 carbons, respectively in the given compound? OHC-CH=CH-CH_2 COOCH_3

The decreasing order of boiling points of the following alkanes is: (a) Heptane (b) butane (c) 2-methylbutane (d) 2-methylpropane (e) hexane Choose the correct answer from the

Given below are two statements: Statement I: The boiling points of the following hydrides of group 16 elements increases in the order - H _ 2 O Statement II: The boiling points of

Amongst the following which one will have maximum &#39;lone pair - lone pair&#39; electron repulsions?

Which amongst the following is incorrect statement?

Given below are two statements: Statement I : The boiling points of aldehydes and ketones are higher than hydrocarbons of comparable molecular masses because of weak molecular

The correct sequence of bond enthalpy of &#39; C-X bond is:

Which of the following molecules is non-polar in nature?

Match List - I with List - II. List-I List-II (a) PCl _ 5 (i) Square pyramidal (b) SF _ 6 (ii) Trigonal planar (c) Br F _ 5 (iii) Octahedral (d) BF _ 3 (iv) Trigonal bipyramidal

BF _ 3 is planar and electron deficient compound. Hybridization and number of electrons around the central atom, respectively are:

Among the compounds shown below which one revealed a linear structure?

Identify the wrongly matched pair:

How many (i) sp ^ 2 hybridised carbon atoms and (ii) π bonds are present in the following compound?

Identify a molecule which does not exist.

Which of the following set of molecules will have zero dipole moment?

Among the following, the number of compounds having zero lone pair of electrons on central atom is XeO_3, XeO_2 ~F_2, XeO_4, XeO_3 ~F_2, XeF_4

Assertion : S_2 O_7^ 2- and Cr_2 O_7^ 2- both exist. Reason : Both have same valence electrons.

Which is least soluble in water?

Assertion : LiCl is predominantly a covalent compound. Reason : Electronegativity difference between Li and Cl is too small.

When Ag^ + reacts with excess of sodium thiosulphate then the obtained species have charge and geometry respectively

Select the correct statement regarding shapes of PCl_5, BrF_5 and IF_7 .

Which of the following is incorrect about cyanogen gas?

Assertion : BO_3^ 3- and SO_3^ 2- are not isostructural. Reason : In SO_3^ 2- , sulphur has one lone pair of electrons.

Which of the following statements about CO_3^ 2- ion is correct?

Which of the following can form H -bond?

What is hybridisation of O in H_2 O ?

Which of the following is correct?

Which of the following has octet around central atom?

Number of σ and π bonds in C_2 H_2 is respectively

Which of the following is paramagnetic?

The number of hydrogen bonded water molecule(s) associated with CuSO_4 · 5 H_2 O is

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

The number of sigma (σ) and pi (π) bonds in pent- 2 -en- 4 -yne is:

Which of the following diatomic molecular species has only π bonds according to Molecular Orbital Theory?

The manganate and permanganate ions are tetrahedral, due to:

The correct structure of tribromooctaoxide is:

Which of the following is incorrect statement?

Identify the incorrect statement related to PC l _ 5 from the following:

Which pair of molecules does not have identical structure?

Amongst the following which one will have maximum 'lone pair - lone pair' electron repulsions?

The correct sequence of bond enthalpy of ' C-X bond is: