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Practice Test - 8

Welcome to your CBMS-8-

1. 
H–H bond length is approximately

2. 
Which has highest bond energy?

3. 
CO₂ is non-polar due to

4. 
“Like dissolves like” applies to

5. 
Covalent compounds have low boiling point due to

6. 
Maximum number of electrons shared between two atoms is

7. 
Which has highest melting point among covalent solids?

8. 
H-bonding occurs when H is bonded to

9. 
Polarity depends on

10. 
Glucose is solid but covalent because of

11. 
Which force causes repulsion at short distance?

12. 
Which overlap gives strongest bond?

13. 
Which has strongest intermolecular force?

14. 
Polar covalent bond is formed when

15. 
Which bond is most stable?

16. 
Covalent compounds are soft because

17. 
Which has highest dipole moment?

18. 
Which is least polar?

19. 
Pi bond is weaker than sigma bond due to

20. 
Covalent bond is directional due to

21. 
Polar covalent compounds dissolve in

22. 
According to VBT, covalent bond forms due to

23. 
Diamond does not conduct because

24. 
Covalent bonding occurs due to

25. 
Multiple bonds shorten bond length because

26. 
Covalent compounds are poor conductors because

27. 
Which has shortest bond length?

28. 
Which is non-polar?

29. 
Which is NOT a covalent solid?

30. 
Greater the overlap, bond energy is

31. 
Which is polar?

32. 
Graphite conducts electricity because of

33. 
Which theory explains covalent bond formation?

34. 
Sigma bond is formed by

35. 
Which compound shows space isomerism?

36. 
CCl₄ dissolves in

37. 
Boiling point order is highest for

38. 
Covalent bond energy increases with

39. 
Covalent compounds usually exist as

40. 
Which shows strongest H-bonding?

41. 
Directionality leads to

42. 
Bond length corresponds to

43. 
Bond energy decreases when

44. 
Covalent compounds have low density because

45. 
Covalent bond becomes non-polar when