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

Read and download free pdf of CBSE Class 11 Chemistry Chemical Bonding And Molecular Structure Worksheet Set B. Download printable Chemistry Class 11 Worksheets in pdf format, CBSE Class 11 Chemistry Chapter 4 Chemical Bonding and Molecular Structure Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Chemistry Class 11 Assignments and practice them daily to get better marks in tests and exams for Class 11. Free chapter wise worksheets with answers have been designed by Class 11 teachers as per latest examination pattern

Chapter 4 Chemical Bonding and Molecular Structure Chemistry Worksheet for Class 11

Class 11 Chemistry students should refer to the following printable worksheet in Pdf in Class 11. This test paper with questions and solutions for Class 11 Chemistry will be very useful for tests and exams and help you to score better marks

Class 11 Chemistry Chapter 4 Chemical Bonding and Molecular Structure Worksheet Pdf

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

Chapter 4 Chemical Bonding and Molecular Structure CBSE Class 11 Chemistry Worksheet

The above practice worksheet for Chapter 4 Chemical Bonding and Molecular Structure has been designed as per the current syllabus for Class 11 Chemistry released by CBSE. Students studying in Class 11 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 11 Chemistry on a daily basis. All the latest practice worksheets with solutions have been developed for Chemistry by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 11 Chemistry students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 11 Chemistry to develop the Chemistry Class 11 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 11 Chemistry designed by our teachers. After solving these you should also refer to Class 11 Chemistry MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 11 Chemistry which you can use to further make yourself better in Chemistry.

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