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Practice Test -4

Welcome to your CBMS-4

1. 
Covalent compounds usually exist as

2. 
Sigma bond is formed by

3. 
CO₂ is non-polar due to

4. 
Covalent compounds are poor conductors because

5. 
Which is non-polar?

6. 
Which has highest melting point among covalent solids?

7. 
Which theory explains covalent bond formation?

8. 
Covalent bond energy increases with

9. 
Graphite conducts electricity because of

10. 
Which force causes repulsion at short distance?

11. 
Which has shortest bond length?

12. 
Which is polar?

13. 
Covalent compounds have low density because

14. 
Boiling point order is highest for

15. 
Polar covalent bond is formed when

16. 
Which is least polar?

17. 
Multiple bonds shorten bond length because

18. 
Which has highest dipole moment?

19. 
Which has strongest intermolecular force?

20. 
CCl₄ dissolves in

21. 
Which shows strongest H-bonding?

22. 
Directionality leads to

23. 
Which has highest bond energy?

24. 
Polarity depends on

25. 
Covalent bond becomes non-polar when

26. 
Covalent bonding occurs due to

27. 
According to VBT, covalent bond forms due to

28. 
Glucose is solid but covalent because of

29. 
Covalent compounds are soft because

30. 
“Like dissolves like” applies to

31. 
Greater the overlap, bond energy is

32. 
Which bond is most stable?

33. 
Diamond does not conduct because

34. 
Which overlap gives strongest bond?

35. 
Which compound shows space isomerism?

36. 
Bond length corresponds to

37. 
H-bonding occurs when H is bonded to

38. 
H–H bond length is approximately

39. 
Pi bond is weaker than sigma bond due to

40. 
Bond energy decreases when

41. 
Polar covalent compounds dissolve in

42. 
Maximum number of electrons shared between two atoms is

43. 
Which is NOT a covalent solid?

44. 
Covalent compounds have low boiling point due to

45. 
Covalent bond is directional due to