CBSE Class 11 Chemistry MCQs - Chemical Bonding

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Chemical Bonding

I. MCQ - Choose Appropriate Alternative

1. The energy required to break a chemical bond to form neutral atoms is called __________. (Ionization Potential, Electron Affinity, Bond Energy)

2. The chemical bond present in H-Cl is __________. (Non Polar, Polar Covalent, Electrovalent)

3. A polar covalent bond is formed between two atoms when the difference between their E.N values is __________. (Equal to 1.7, less than 1.7, More than 1.7)

4. The most polar covalent bond out of the following is __________. (H-Cl, H-F, H-I)

5. __________ bond is one in which an electron has been completely transferred from one atom to another. (Ionic, Covalent, co-ordinate)

6. __________ bond is one in which an electron pair is shared equally between the two atoms. (Ionic, Covalent, Co-ordinate)

7. Bond angle in the molecule of CH4 is of __________. (120°, 109.5°, 180°) 

8. A molecule of CO2 has __________ structure.

9. The sigma bond is __________ than pi bond. (Weaker, Stronger, Unstable)

10. The sp3 orbitals are __________ in shape(Tetrahedral, Trigonal, Diagonal)

11. The shape of CH4 molecule is __________. (Tetrahedral, Trigonal, Diagonal)

12. The bond in Cl2 is __________. (Non polar, Polar, Electrovalent)

13. Water is __________ molecule. (None polar, Polar, Electrovalent)

14. Covalent bonds in which electron pair are shared equally between the two atoms is called __________ covalent bond. (Non polar, Polar, Co-ordinate)

15. Each carbon atom in CH4 is __________ hybridized. (sp3, sp2, sp)

16. Each carbon atom in C2H4 is __________ hybridized. (sp3, sp2, sp)

17. Each carbon atom in C2H2 is __________ hybridized. (sp3, sp2, sp)

18. Oxygen atom in H2O has __________ unshared electron pair. (One, two , three)

19. Nitrogen atom in NH3 has __________ unshared electron pair. (One, two, three)

20. The cloud of charge that surrounds two or more nuclei is called __________ orbital. (Atomic, Molecular, Hybrid)

21. A substance, which is highly attracted by a magnetic field, is called __________. (Electromagnetic, Paramagnetic, Diamagnetic)

22. HF exists in liquid due to __________. (Vander Waal Forces, Hydrogen bond, covalent Bond)

23. Best hydrogen bonding is found in __________ (HF, HCl, HI)

24. Shape of CCl4 molecule is __________. (tetrahedral, Trigonal, Diagonal)

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