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JEE Chemical Bonding and Molecular Structure PYQs with Solutions

34 previous year questions from Chemical Bonding and Molecular Structure (JEE Main & Advanced NSEC) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

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About Chemical Bonding and Molecular Structure PYQs

Chemical Bonding and Molecular Structure has 34 previous year questions in the Quantrex Academy JEE Main & Advanced NSEC bank. The 34 questions in this list come from Olympiad workbook (34). Each question opens on its own page with the options, the correct answer and the worked solution where available.

Chemical Bonding and Molecular Structure questions with solutions

1

In ammonia the bond angle is 107^ ^ ^ ∘ 48^ while in SbH_3 the bond angle is about 91^ ^ ^ ∘ 18^ . The correct explanation among the followings is/ are

Olympiad workbook Solution View → 2

Which of the following compounds contain 3-centered 2-electron bonding? (i) [BeF_2]_ n (ii) [Be(CH_3)_3]_ n (iii) [BeCl_2]_ n (iv) [BeH_2]_ n

Olympiad workbook Solution View → 3

In the Lewis structure of ozone (O_3) , the formal charge on the central oxygen atom is

Olympiad workbook Solution View → 4

HClO_4 is a stronger acid than HClO . The correct statement is

Olympiad workbook Solution View → 5

The pair that is isostructural (i.e. having the same shape and hybridization) is

Olympiad workbook Solution View → 6

At 25^ ^ ^ ∘ C , nitrogen exists as N_2 and phosphorous exists as P_4 because

Olympiad workbook Solution View → 7

Assuming that Hund's rule is violated by the diatomic molecule B_2 , its bond order and magnetic nature will be respectively

Olympiad workbook Solution View → 8

Iodine is a solid and sublimes at ordinary temperatures. This is because of

Olympiad workbook Solution View → 9

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

Olympiad workbook Solution View → 10

Which of the following is not a pair of a Lewis acid and a Lewis base?

Olympiad workbook Solution View → 11

Which of the following has the shortest bond length?

Olympiad workbook Solution View → 12

In which of the following, all the bond lengths are not the same? I. IF_4 ^ + II. BF_4 ^ - III. SF_4 IV. TeCl_4

Olympiad workbook Solution View → 13

Which among the following is nonlinear?

Olympiad workbook Solution View → 14

The molecule in which all atoms are not coplanar is

Olympiad workbook Solution View → 15

The most stable Lewis structure of N_2 O is

Olympiad workbook Solution View → 16

The set in which all the species are diamagnetic is

Olympiad workbook Solution View → 17

Among the following, the compound that has the highest dipole moment is

Olympiad workbook Solution View → 18

Which of the following species has one lone pair of electrons on the central atom?

Olympiad workbook Solution View → 19

In solid state, PCl_5 exists as [PCl_4]^ + [PCl_6]^ - . The hybridization of P atoms in this solid is/are

Olympiad workbook Solution View → 20

A suboxide of carbon, C_3 O_2 , has a linear structure. Which of the following is correct about C_3 O_2 ? I. Oxidation state of all three C atoms is +2 II. Oxidation state of the

Olympiad workbook Solution View → 21

Among the following, maximum number of resonance structures is possible for

Olympiad workbook Solution View → 22

Reaction of ammonia with diborane gives an ionic product (B_2 H_6 .2 NH_3) . The hybridization of boron in the cation and anion of this product are respectively

Olympiad workbook Solution View → 23

In which of the following species the octet rule is NOT obeyed? I. I_3 ^ - II. N_2 O III. OF_2 IV. NO^ +

Olympiad workbook Solution View → 24

The F-X-F bond angle is the smallest in ( X is the central atom)

Olympiad workbook Solution View → 25

Among the following sets, the one in which all the molecules are non polar is

Olympiad workbook Solution View → 26

The structures of hydrogen peroxide (H_2 O_2) in the solid and gaseous states are given below. H_2 O_2 (l) is slightly more viscous than H_2 O (l). The correct option/s among the

Olympiad workbook Solution View → 27

Which of the following option/s is /are correct?

Olympiad workbook Solution View → 28

Which of the following reactions is NOT an example of Lewis acid-Lewis base reaction?

Olympiad workbook Solution View → 29

The resonance structures of SCN^ - are given below along with the S-C and C-N bond lengths S-C (in pm) C-N (in pm) SCN‾ 165 117 Single bond 181 147 Double bond 155 128 Triple bond

Olympiad workbook Solution View → 30

Solvents are classified as polar and nonpolar based on their dipole moments. Given below are some solvents. (p) 1,2-dibromobenzene (q) diisopropylether (r)

Olympiad workbook Solution View → 31

Hybridization of S in CH_3 SH molecule is

Olympiad workbook Solution View → 32

The number of 'two-center-two electron' and 'three-center-two electron' bonds in [Al (BH _ 4 )_3] are respectively

Olympiad workbook Solution View → 33

The correct statement(s) regarding three EI_3 molecules (where E=P, As or Sb ) is/are:

Olympiad workbook Solution View → 34

For the given compound, \% s character of phosphorous hybrid orbitals which contribute to various bonds are given in the table below. This difference in \% 's' character of

Olympiad workbook Solution View →
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Main Chemical Bonding and Molecular Structure list

The larger JEE Chemical Bonding and Molecular Structure list is under Chemistry (635 questions).

Related JEE NSEC chapters

Some Basic Concepts of Chemistry (60)Electrochemistry (52)Thermodynamics (C) (50)Structure of Atom (50)General Organic Chemistry (44)Chemical Kinetics (42)Coordination Compounds (33)Hydrocarbons (29)Solid State (22)Ionic Equilibrium (20)Alcohols Phenols and Ethers (19)Solutions (18)

Chemical Bonding and Molecular Structure in other exams

NEET Chemical Bonding and Molecular Structure (1,423)BITSAT Chemical Bonding and Molecular Structure (43)