Number of Isomers of Alkanes (Part 1) - Funny Chemistry

Isomers of Alkanes

from C1 to C10

 

CH₄

Methane

C₂H₆

Ethane

C₃H₈

Propane

C₄H₁₀ (2 isomers)

1. Butane

2. 2-Methylpropane

C₅H₁₂ (3 isomers)

1. Pentane

2. 2-Methylbutane

3. 2,2-Dimethylpropane

C₆H₁₄ (5 isomers)

1. Hexane

2. 2-Methylpentane

3. 3-Methylpentane

4. 2,2-Dimethylbutane

5. 2,3-Dimethylbutane

C₇H₁₆ (9 isomers)

1. Heptane

2. 2-Methylhexane

3. 3-Methylhexane

4. 2,2-Dimethylpentane

5. 2,3-Dimethylpentane

6. 2,4-Dimethylpentane

7. 3,3-Dimethylpentane

8. 3-Ethylpentane

9. 2,2,3-Trimethylbutane

C₈H₁₈ (18 isomers)

1. Octane

2. 2-Methylheptane

3. 3-Methylheptane

4. 4-Methylheptane

5. 2,2-Dimethylhexane

6. 2,3-Dimethylhexane

7. 2,4-Dimethylhexane

8. 2,5-Dimethylhexane

9. 3,3-Dimethylhexane

10. 3,4-Dimethylhexane

11. 3-Ethylhexane

12. 2,2,3-Trimethylpentane

13. 2,2,4-Trimethylpentane

14. 2,3,3-Trimethylpentane

15. 2,3,4-Trimethylpentane

16. 3-Ethyl-2-methylpentane

17. 3-Ethyl-3-methylpentane

18. 2,2,3,3-Tetramethylbutane

C₉H₂₀ (35 isomers)

1. Nonane

2. 2-Methyloctane

3. 3-Methyloctane

4. 4-Methyloctane

5. 2,2-Dimethylheptane

6. 2,3-Dimethylheptane

7. 2,4-Dimethylheptane

8. 2,5-Dimethylheptane

9. 2,6-Dimethylheptane

10. 3,3-Dimethylheptane

11. 3,4-Dimethylheptane

12. 3,5-Dimethylheptane

13. 4,4-Dimethylheptane

14. 3-Ethylheptane

15. 4-Ethylheptane

16. 2,2,3-Trimethylhexane

17. 2,2,4-Trimethylhexane

18. 2,2,5-Trimethylhexane

19. 2,3,3-Trimethylhexane

20. 2,3,4-Trimethylhexane

21. 2,3,5-Trimethylhexane

22. 2,4,4-Trimethylhexane

23. 3,3,4-Trimethylhexane

24. 3-Ethyl-2-methylhexane

25. 3-Ethyl-3-methylhexane

26. 3-Ethyl-4-methylhexane

27. 4-Ethyl-2-methylhexane

28. 2,2,3,3-Tetramethylpentane

29. 2,2,3,4-Tetramethylpentane

30. 2,2,4,4-Tetramethylpentane

31. 2,3,3,4-Tetramethylpentane

32. 3-Ethyl-2,2-dimethylpentane

33. 3-Ethyl-2,3-dimethylpentane

34. 3-Ethyl-2,4-dimethylpentane

35. 3,3-Diethylpentane

C₁₀H₂₂ (75 isomers)

1. Decane

2. 2-Methylnonane

3. 3-Methylnonane

4. 4-Methylnonane

5. 5-Methylnonane

6. 2,2-Dimethyloctane

7. 2,3-Dimethyloctane

8. 2,4-Dimethyloctane

9. 2,5-Dimethyloctane

10. 2,6-Dimethyloctane

11. 2,7-Dimethyloctane

12. 3,3-Dimethyloctane

13. 3,4-Dimethyloctane

14. 3,5-Dimethyloctane

15. 3,6-Dimethyloctane

16. 4,4-Dimethyloctane

17. 4,5-Dimethyloctane

18. 3-Ethyloctane

19. 4-Ethyloctane

20. 2,2,3-Trimethylheptane

21. 2,2,4-Trimethylheptane

22. 2,2,5-Trimethylheptane

23. 2,2,6-Trimethylheptane

24. 2,3,3-Trimethylheptane

25. 2,3,4-Trimethylheptane

26. 2,3,5-Trimethylheptane

27. 2,3,6-Trimethylheptane

28. 2,4,4-Trimethylheptane

29. 2,4,5-Trimethylheptane

30. 2,4,6-Trimethylheptane

31. 2,5,5-Trimethylheptane

32. 3,3,4-Trimethylheptane

33. 3,3,5-Trimethylheptane

34. 3,4,4-Trimethylheptane

35. 3,4,5-Trimethylheptane

36. 3-Ethyl-2-methylheptane

37. 3-Ethyl-3-methylheptane

38. 3-Ethyl-4-methylheptane

39. 3-Ethyl-5-methylheptane

40. 4-Ethyl-2-methylheptane

41. 4-Ethyl-3-methylheptane

42. 4-Ethyl-4-methylheptane

43. 5-Ethyl-2-methylheptane

44. 4-Propylheptane

45. 4-(1-Methylethyl)heptane

46. 2,2,3,3-Tetramethylhexane

47. 2,2,3,4-Tetramethylhexane

48. 2,2,3,5-Tetramethylhexane

49. 2,2,4,4-Tetramethylhexane

50. 2,2,4,5-Tetramethylhexane

51. 2,2,5,5-Tetramethylhexane

52. 2,3,3,4-Tetramethylhexane

53. 2,3,3,5-Tetramethylhexane

54. 2,3,4,4-Tetramethylhexane

55. 2,3,4,5-Tetramethylhexane

56. 3,3,4,4-Tetramethylhexane

57. 3-Ethyl-2,2-dimethylhexane

58. 3-Ethyl-2,3-dimethylhexane

59. 3-Ethyl-2,4-dimethylhexane

60. 3-Ethyl-2,5-dimethylhexane

61. 3-Ethyl-3,4-dimethylhexane

62. 4-Ethyl-2,2-dimethylhexane

63. 4-Ethyl-2,3-dimethylhexane

64. 4-Ethyl-2,4-dimethylhexane

65. 4-Ethyl-3,3-dimethylhexane

66. 3,3-Diethylhexane

67. 3,4-Diethylhexane

68. 2-Methyl-3-(1-methylethyl)hexane

69. 2,2,3,3,4-Pentamethylpentane

70. 2,2,3,4,4-Pentamethylpentane

71. 3-Ethyl-2,2,3-trimethylpentane

72. 3-Ethyl-2,2,4-trimethylpentane

73. 3-Ethyl-2,3,4-trimethylpentane

74. 3,3-Diethyl-2-methylpentane

75. 2,4-Dimethyl-3-(1-methylethyl)pentane

(From Mr Kent's Chemistry Page )