IIT - JEE - MAINS and ADVANCED: Chemical Bonding

1. Which of the following elements exhibits the highest electronegativity?

   a) Sodium

   b) Fluorine

   c) Oxygen

   d) Carbon

   Answer: b) Fluorine

 

2. The type of bonding present in sodium chloride (NaCl) is:

   a) Covalent

   b) Metallic

   c) Ionic

   d) Hydrogen

   Answer: c) Ionic

 

3. The shape of a molecule with a trigonal bipyramidal electron domain geometry is:

   a) Linear

   b) Trigonal planar

   c) Tetrahedral

   d) Trigonal bipyramidal

   Answer: d) Trigonal bipyramidal

 

4. Which of the following is a nonpolar molecule?

   a) HCl

   b) H2O

   c) CH4

   d) NH3

   Answer: c) CH4

 

5. The bond angle in a molecule with a tetrahedral electron domain geometry is:

   a) 90 degrees

   b) 109.5 degrees

   c) 120 degrees

   d) 180 degrees

   Answer: b) 109.5 degrees

 

6. A sigma bond is formed by the overlapping of:

   a) p orbitals

   b) s orbitals

   c) d orbitals

   d) f orbitals

   Answer: b) s orbitals

 

7. Which of the following compounds exhibits hydrogen bonding?

   a) CH4

   b) CO2

   c) H2O

   d) CCl4

   Answer: c) H2O

 

8. The valence electron configuration of oxygen is:

   a) 1s2 2s2 2p4

   b) 1s2 2s2 2p6

   c) 1s2 2s2 2p3

   d) 1s2 2s2 2p5

   Answer: a) 1s2 2s2 2p4

 

9. Which of the following bonds is the most polar?

   a) C–H

   b) C–C

   c) C–F

   d) C–Cl

   Answer: c) C–F

 

10. The molecular shape of carbon dioxide (CO2) is:

    a) Linear

    b) Trigonal planar

    c) Bent

    d) Tetrahedral

    Answer: a) Linear

 

11. The molecule NH3 exhibits which type of hybridization?

    a) sp

    b) sp2

    c) sp3

    d) sp3d

    Answer: c) sp3

 

12. The compound SO3 has a:

    a) Single bond

    b) Double bond

    c) Triple bond

    d) Coordinate bond

    Answer: b) Double bond

 

13. Which of the following substances is an example of an ionic compound?

    a) H2O

    b) NH3

    c) NaCl

    d) CH4

    Answer: c) NaCl

 

14. The concept of resonance is used to explain:

    a) Molecular polarity

    b) Bond strength

    c) Electron delocalization

    d) Ionic bonding

    Answer: c) Electron delocalization

 

15. The molecule BF3 exhibits which type of hybridization?

    a) sp

    b) sp2

    c) sp3

    d) sp3d

    Answer: b) sp2

 

16. Which of the following compounds is an example of a network solid?

    a) H2O

    b) NaCl

    c) C6H12O6

    d) SiO2

    Answer: d) SiO2

 

17. The bond angle in a molecule with a linear electron domain geometry is:

    a) 90 degrees

    b) 109.5 degrees

    c) 120 degrees

    d) 180 degrees

    Answer: d) 180 degrees

 

18. The compound H2O2 has a:

    a) Single bond

    b) Double bond

    c) Triple bond

    d) Coordinate bond

    Answer: b) Double bond

 

19. The concept of hybridization is used to explain:

    a) Molecular polarity

    b) Bond strength

    c) Electron delocalization

    d) Molecular shape

    Answer: d) Molecular shape

 

20. Which of the following compounds exhibits metallic bonding?

    a) H2O

    b) NaCl

    c) CH4

    d) Fe

    Answer: d) Fe

 

21. The molecular shape of methane (CH4) is:

    a) Linear

    b) Trigonal planar

    c) Tetrahedral

    d) Bent

    Answer: c) Tetrahedral

 

22. The compound HCl has a:

    a) Single bond

    b) Double bond

    c) Triple bond

    d) Coordinate bond

    Answer: a) Single bond

 

23. Which of the following compounds is an example of a polar molecule?

    a) CO2

    b) CH4

    c) H2O

    d) CCl4

    Answer: c) H2O

 

24. The molecule CH2O exhibits which type of hybridization?

    a) sp

    b) sp2

    c) sp3

    d) sp3d

    Answer: b) sp2

 

25. Which of the following bonds is the least polar?

    a) C–H

    b) C–C

    c) C–F

    d) C–Cl

    Answer: b) C–C

 

26. The molecular shape of ammonia (NH3) is:

    a) Linear

    b) Trigonal planar

    c) Tetrahedral

    d) Bent

    Answer: d) Bent

 

27. The compound N2O has a:

    a) Single bond

    b) Double bond

    c) Triple bond

    d) Coordinate bond

    Answer: b) Double bond

 

28. The VSEPR theory is used to predict:

    a) Molecular polarity

    b) Bond strength

    c) Electron delocalization

    d) Molecular shape

    Answer: d) Molecular shape

 

29. Which of the following compounds exhibits covalent bonding?

    a) NaCl

    b) H2O

    c) MgO

    d) CaCl2

    Answer: b) H2O

 

30. The bond angle in a molecule with a trigonal planar electron domain geometry is:

    a) 90 degrees

    b) 109.5 degrees

    c) 120 degrees

    d) 180 degrees

    Answer: c) 120 degrees

 

31. The compound CO2 has a:

    a) Single bond

    b) Double bond

    c

 

) Triple bond

    d) Coordinate bond

    Answer: b) Double bond

 

32. Which of the following compounds is an example of a molecular solid?

    a) NaCl

    b) H2O

    c) MgO

    d) SiO2

    Answer: b) H2O

 

33. The molecule CHCl3 exhibits which type of hybridization?

    a) sp

    b) sp2

    c) sp3

    d) sp3d

    Answer: c) sp3

 

34. The bond between two chlorine atoms in Cl2 is a:

    a) Ionic bond

    b) Metallic bond

    c) Covalent bond

    d) Hydrogen bond

    Answer: c) Covalent bond

 

35. The compound CH3OH has a:

    a) Single bond

    b) Double bond

    c) Triple bond

    d) Coordinate bond

    Answer: a) Single bond

 

36. The molecule CO2 exhibits which type of hybridization?

    a) sp

    b) sp2

    c) sp3

    d) sp3d

    Answer: b) sp2

 

37. Which of the following substances is an example of a molecular compound?

    a) NaCl

    b) H2O

    c) CaO

    d) KBr

    Answer: b) H2O

 

38. The bond angle in a molecule with a bent electron domain geometry is:

    a) 90 degrees

    b) 109.5 degrees

    c) 120 degrees

    d) 180 degrees

    Answer: b) 109.5 degrees

 

39. The compound H2SO4 has a:

    a) Single bond

    b) Double bond

    c) Triple bond

    d) Coordinate bond

    Answer: b) Double bond

 

40. The molecule C2H4 exhibits which type of hybridization?

    a) sp

    b) sp2

    c) sp3

    d) sp3d

    Answer: b) sp2

 

41. Which of the following compounds exhibits dipole-dipole forces?

    a) H2

    b) N2

    c) O2

    d) HCl

    Answer: d) HCl

 

42. The bond between sodium (Na) and chlorine (Cl) in NaCl is a:

    a) Covalent bond

    b) Metallic bond

    c) Ionic bond

    d) Hydrogen bond

    Answer: c) Ionic bond

 

43. The compound CH3COOH has a:

    a) Single bond

    b) Double bond

    c) Triple bond

    d) Coordinate bond

    Answer: b) Double bond

 

44. The molecule SF6 exhibits which type of hybridization?

    a) sp

    b) sp2

    c) sp3

    d) sp3d

    Answer: d) sp3d

 

45. Which of the following substances is an example of a polar molecule?

    a) O2

    b) CO2

    c) Cl2

    d) H2

    Answer: b) CO2

 

46. The bond angle in a molecule with a tetrahedral electron domain geometry is:

    a) 90 degrees

    b) 109.5 degrees

    c) 120 degrees

    d) 180 degrees

    Answer: b) 109.5 degrees

 

47. The compound HNO3 has a:

    a) Single bond

    b) Double bond

    c) Triple bond

    d) Coordinate bond

    Answer: b) Double bond

 

48. Which of the following compounds exhibits van der Waals forces?

    a) H2O

    b) NaCl

    c) CH4

    d) Fe

    Answer: c) CH4

 

49. The molecular shape of carbon tetrachloride (CCl4) is:

    a) Linear

    b) Trigonal planar

    c) Tetrahedral

    d) Bent

    Answer: c) Tetrahedral

 

50. The compound H3PO4 has a:

    a) Single bond

    b) Double bond

    c) Triple bond

    d) Coordinate bond

    Answer: b) Double bond

 

I hope these MCQs help you in your preparation for JEE chemistry!

 

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