CBSE Class 11 Chemistry Chemical Bonding And Molecular Structure Worksheet Set 02

Practice Worksheets for Class 11 Chemistry: Chapter 04 Chemical Bonding and Molecular Structure

Explore reliable practice materials for Chapter 04 Chemical Bonding and Molecular Structure tailored for Class 11 learners. Utilizing these Chemistry worksheets ensures thorough preparation and strengthens problem-solving speed for upcoming school assessments.

Practice Chapter 04 Chemical Bonding and Molecular Structure Worksheets for Class 11 Chemistry

Access the complete worksheet PDF for Chapter 04 Chemical Bonding and Molecular Structure below. Regular practice with these targeted questions builds familiarity with standard exam patterns and helps secure higher marks in final Chemistry evaluations.

CHEMICAL BONDING AND MOLECULAR STRUCTURE
 
1 What are
a) expanded octet molecules?
b) odd electron molecules?
c) electron deficient molecules?
 
Give two examples for each.
 
2 Differentiate between
 
a) Bond energy and Bond dissociation energy
b) Covalent and Van der Waal’s radius
 
3 Explain resonance and draw the resonating structures for the following:
 
CO32- , NO3—, SO2, C6H6
 
4 Give reasons:
a) BF3 is non-polar while NF3 is polar.
b) ClF3 is T-shaped.
c) Bonds in ozone are equivalent.
d) Bond angle in water is larger than bond angle in H2S
 
5 Which is more polar and why: NH3 and NF3
 
6 Define the term bond length. Arrange the following in the increasing order of their bond lengths: Ethane, ethene, ethyne
 
7 Define the term bond angle. Arrange the following in the increasing order of their bond angle: Water, ammonia, methane, carbon dioxide
 
8 What do you understand by formal charge of a molecule? Calculate the formal charges on all the atoms in the following species
 
i. HClO4
ii. HSO4—
 
9 Discuss the shapes of the following molecules using VSEPR model
 
BCl3, H2O, XeF4, SF4, NH4+
 
10 a) Define lattice enthalpy. How is it related to the stability of ionic compound?
b) Write the favorable conditions for the formation of ionic bond.
Valence bond theory ,Molecular orbital theory ,Hydrogen bonding
 
11 Atomic orbital is monocentric while a molecular orbital is polycentric‖. Explain.
 
12 Differentiate between
a) Bonding and antibonding molecular orbital.
b) Sigma and pi bond
 
13 Give reasons:
a) px orbital does not overlap with py orbital.
b) Oxygen is paramagnetic.
c) Acetic acid forms dimer.
d) Para nitro phenol has higher boiling point than ortho nitro phenol.
e) Hydrogen bonding in HCl is insignificant.
f) HF has a higher boiling point than HCl.
g) Axial bonds are longer than equatorial bonds in PCl5
 
14 Explain the formation of PCl5 and SF6 on the basis of hybridization.
 
15 Write the energy level diagram for O2- and O2+. Calculate the bond order.
 
16 Draw orbital overlap diagram for the following:
a) H3O+
b) H2O2
c) NH3
 
17 Which hybrid orbitals are used by the carbon atoms in the following molecules?
a. CH3-CH=CH2
b. CH3-CH2-OH
c. CH3CHO
d. CH3COOH
 
18 Predict the hybridization in the following molecules H2O, NH4+, SO42-, ClO3-, IF5
 
19 Using suitable example explain following type of hybridization
a) sp
b) sp2
c) sp3
 
20 Using molecular orbital theory, explain why Be2 molecule does not exist.


Please click on below link to download CBSE Class 11 Chemistry Chemical Bonding And Molecular Structure Worksheet Set B

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Chapter 04 Chemical Bonding and Molecular Structure Practice Sheet and Solutions for Class 11 Chemistry

Chapter Practice Questions for Class 11 Chemistry

Access structured practice worksheets for Chapter 04 Chemical Bonding and Molecular Structure designed in alignment with the latest CBSE curriculum for Class 11 Chemistry. These printable problem sets help students build accuracy and prepare effectively for school tests.

Expert Practice Material for Class 11 Chemistry

Built using the official NCERT book for Class 11 Chemistry, these practice materials provide reliable academic guidance. Pair your practice with our recommended NCERT solutions to master optimal problem-solving approaches.

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Are these Chemistry Class 11 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 11 Chemistry Chemical Bonding And Molecular Structure Worksheet Set 02 includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 11.

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