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CBMS-5

Welcome to your CBMS-5

1. 
FeCl₃ is darker than FeCl₂ because

2. 
Smaller cation causes

3. 
Triple bond contains

4. 
Colour intensity increases with

5. 
Polarization increases covalent character because

6. 
Reactivity of π bond is high because

7. 
Covalent nature ∝

8. 
Free rotation is possible around

9. 
Polarization increases with anion size because

10. 
π bond is formed by

11. 
Which is correct?

12. 
σ bond exists in

13. 
σ bond is formed by

14. 
Which is least ionic?

15. 
Double bond contains

16. 
π bond restricts rotation because

17. 
Maximum number of π bonds possible is

18. 
σ bond determines

19. 
Which has maximum covalent character?

20. 
Shape of molecule is determined by

21. 
Which increases covalent character?

22. 
Which has more polarizing power?

23. 
Cation with 18-electron configuration has

24. 
Minimum number of π bonds between atoms is

25. 
Order of covalent character is

26. 
Covalent character is maximum when

27. 
Polarizing power of cation is proportional to

28. 
π bond is weaker due to

29. 
Which anion is most polarizable?

30. 
Which has more covalent nature?

31. 
Stability ∝ 1/π bonds because

32. 
Which bond is most reactive?

33. 
Which compound is most ionic?

34. 
Which overlap gives σ bond?

35. 
Polarization is distortion of

36. 
σ bond is stronger than π bond because

37. 
Stability of molecule is proportional to

38. 
According to Fajans’ rule, covalent character increases with

39. 
Number of σ bonds between two atoms can be

40. 
Which follows Fajans’ rule?

41. 
Which pair supports Fajans’ rule?

42. 
Reactivity of σ bond is

43. 
Which has strongest σ bond?

44. 
π bond exists in

45. 
Polarization depends least on

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