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

CBSE Class 11 Chemistry Worksheet - Chemical Bonding And Molecular Structure - Practice worksheets for CBSE students. Prepared by teachers of the best CBSE schools in India.

CLASS – XI

CHEMISTRY

CHEMICAL BONDING AND MOLECULAR STRUCTURE

Q1. What is a chemical bond? Explain it with reference to Kossel Lewis approach?

Q2. Write the Lewis dot symbols of the following elements: - Mg, Na, B, O, N, Cl, F

Q3. What is an ionic bond? Explain the formation of NaCl & CaF2.

Q4. What is octet rule? Point out its limitations.

Q5. Is the octet rule applicable in all cases? If not, give eg(s) of exceptions of this rule.

Q6. What is covalent bond? Write the lewis structure of the following:-

Cl2, H2, O2, H2O, CCl4, CO2, CO, N2, C2H4, C2H2, O3, NF3 HNO3, CO3-2

Q7. What are the factors that influence the formation of an ionic bond?

Q8. Explain the followings (a) Lattice Enthalpy (b) Bond length (c) Bond angel (d) Bond Enthalpy (e) Bond Order

Q9. Explain resonance. How is it related with stability of the molecule?

Q10. What do you mean by Dipole moment? Give its units.

Q11. Give reason: (a) The Dipole moment of BeF2 is zero. (b) The Dipole moment of BF3 is also zero.

Q12. Why dipole moment of NH3 is greater than that of NF3.

Q13. Discuss Fajans rules of partial covalent character of Ionic bonds.

Q14. Explain VSEPR theory. Give various assumption of VSEPR theory.

Q15. On the basis of VSEPR theory, discuss the shape of BF3 & SF6.

Q16. Explain the formation of H2 molecule in terms of valence Bond Theory.


Students must free download and practice these worksheets to gain more marks in exams. CBSE Class 11 Chemistry Worksheet - Chemical Bonding And Molecular Structure

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