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Class 11th Chemistry || Menu
  • Important
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  • Myth Buster
  • Some Basic Concepts of Chemistry
    • Importance and Scope of Chemistry
    • Formulation and Calculation
    • Laws of Chemical Combination
    • Mole Concept
    • Mass and Stoichiometry
    • NCERT Solution
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  • Structure of Atom
    • Discovery of Sub-Atomic Particles
    • Planck’s Quantum Theory
    • Spectrum
    • Dual Nature
    • Electronic Configuration of Atoms
    • Quantum Mechanical Model of Atom
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  • Classification of Elements and Periodicity in Properties
    • Modern Periodic Law
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  • Chemical Bonding and Molecular Structure
    • Chemical Bonding
    • Ionic Bond
    • Bond Parameters
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  • Thermodynamics
    • Introduction to Thermodynamics
    • Measurement of dU and dH
    • Hess’s Law
    • Enthalpy Change
    • Entropy and Gibbs Energy
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  • Equilibrium
    • Dynamic Nature of Equilibrium
    • Le Chatelier’s Principle
    • Ionic Equilibrium
    • Solubility Product
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  • Redox Reactions
    • Redox Reactions
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  • Hydrogen
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  • The s-Block Elements
    • Introduction to Group 1 Elements
    • Introduction to Group 2 Elements
    • Anomalous Behaviour
    • Important Compounds of S- Block
    • Alkali and Alkaline Metal Compounds
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  • The p-Block Elements
    • Introduction to p- Block Elements
    • Properties of Boron
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    • Group 14 Elements
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  • Hydrocarbons
    • Alkanes
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Bond Parameters, Class 11 Chemistry NCERT Solutions

Chemical Bonding – Page No 130 Ques 4.17, Class 11th CBSE Chemistry
https://youtube.com/watch?v=CPhn54bXWLw
Chemical Bonding – Page No 130 Ques 4.18, Class 11th CBSE Chemistry
https://youtube.com/watch?v=UpPHbnEly0k
Chemical Bonding – Page No 130 Ques 4.19, Class 11th CBSE Chemistry
https://youtube.com/watch?v=98PnlHqe–A
Chemical Bonding – Page No 130 Ques 4.20, Class 11th CBSE Chemistry
https://youtube.com/watch?v=BpgIBO4GeTM
Chemical Bonding – Page No 130 Ques 4.21, Class 11th CBSE Chemistry
https://youtube.com/watch?v=vDwzB_0gm7c
Chemical Bonding – Page No 130 Ques 4.22, Class 11th CBSE Chemistry
https://youtube.com/watch?v=wCLxvUbhLh8
Chemical Bonding – Page No 130 Ques 4.23, Class 11th CBSE Chemistry
https://youtube.com/watch?v=QOCw7Ywi5jw
Chemical Bonding – Page No 130 Ques 4.24, Class 11th CBSE Chemistry
https://youtube.com/watch?v=ZmeOY1V8Yxc

1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. Molecule in which the distance between two adjacent carbon atom is largest, is:
 
 
 
 

Question 1 of 20

2. The bond length in hypothetical molecules A2, B2, C2 and D2 are given. Which of the following will have lowest bond enthalpy?
 
 
 
 

Question 2 of 20

3. Which of the following statement is correct regarding covalent radius and van der Waals radius?
 
 
 
 

Question 3 of 20

4. Amongst the following molecules, the one with the highest bond multiplicity is:
 
 
 
 

Question 4 of 20

5. Energy required to dissociate 4 g of gaseous hydrogen into free gaseous atoms is 208 kcal at 25°C . The bond energy of H-H bond will be:
 
 
 
 

Question 5 of 20

6. Energy required to break all four C-H bonds in methane is 1662 kJ/mol. Calculate the average bond enthalpy for methane molecule.
 
 
 
 

Question 6 of 20

7. Among the following halogens the one with highest bond energy is:
 
 
 
 

Question 7 of 20

8. Which of the following statements relating bond order and bond enthalpy are correct?
 
 
 
 

Question 8 of 20

9. Which of the following will have highest value of bond enthalpy?
 
 
 
 

Question 9 of 20

10. Generally unit of bond enthalpy is expressed in:
 
 
 
 

Question 10 of 20

11. Bond energy of covalent O-H bond in water is:
 
 
 
 

Question 11 of 20

12. Use bond energies to estimate the enthalpy of formation of HBr(g).
BE(H-H) = 436 kJ/mol
BE(Br-Br) = 192 kJ/mol
BE(H-Br) = 366 kJ/mol
 
 
 
 

Question 12 of 20

13. Which bond among the following has the shortest bond length?
 
 
 
 

Question 13 of 20

14. Bond angle is the average angle between orbitals containing ___________ electron pairs around the central atom in a molecule.
 
 
 
 

Question 14 of 20

15. Which of the following has maximum bond angle?
 
 
 
 

Question 15 of 20

16. Which of the following molecules will have smallest bond enthalpy?
 
 
 
 

Question 16 of 20

17. In compound X, all bond angles are exactly 109° 28’, X is:
 
 
 
 

Question 17 of 20

18. The C-H bond distance is longest in:
 
 
 
 

Question 18 of 20

19. Which of the following molecules will have smallest bond length?
 
 
 
 

Question 19 of 20

20. The bond angle, H-N-H in NH3 molecule is:
 
 
 
 

Question 20 of 20

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