Hardest CHEM classes at UCSB

Ranked by average GPA from official grade distributions. Only courses with at least 100 graded students.

  1. CHEM 1A: GEN CHEM Average GPA 2.37, 43,568 students
  2. CHEM 109A: ORGANIC CHEMISTRY Average GPA 2.49, 18,179 students
  3. CHEM 109B: ORGANIC CHEMISTRY Average GPA 2.50, 16,739 students
  4. CHEM 1B: GENERAL CHEMISTRY Average GPA 2.52, 33,352 students
  5. CHEM 25: INTRO CHEMISTRY Average GPA 2.55, 2,087 students
  6. CHEM 130A: ORGANIC CHEM MAJORS Average GPA 2.55, 230 students
  7. CHEM 110L: INTRO-BIOCHEM-LAB Average GPA 2.62, 611 students
  8. CHEM 1C: GEN CHEM Average GPA 2.63, 21,130 students
  9. CHEM 142B Average GPA 2.73, 965 students
  10. CHEM 3A: GEN CHEM MAJORS Average GPA 2.73, 541 students
  11. CHEM 142A: BIOCHEMISTRY Average GPA 2.74, 1,809 students
  12. CHEM 112L: BIOPHYS CHEM LAB Average GPA 2.74, 517 students
  13. CHEM 173A: ADV INORG CHEMISTRY Average GPA 2.77, 1,915 students
  14. CHEM 109C: ORGANIC CHEMISTRY Average GPA 2.83, 10,847 students
  15. CHEM 125L Average GPA 2.84, 536 students
  16. CHEM 142C: BIOCHEMISTRY Average GPA 2.86, 707 students
  17. CHEM 147: BIOCHEMICAL ORIGINS Average GPA 2.87, 701 students
  18. CHEM 113A: PHYSICAL CHEMISTRY Average GPA 2.88, 1,516 students
  19. CHEM 112A: BIOPHYSIC CHEMISTRY Average GPA 2.89, 1,251 students
  20. CHEM 3B Average GPA 2.89, 463 students
  21. CHEM 127: STRUC REAC ORG CHEM Average GPA 2.90, 609 students
  22. CHEM 113B Average GPA 2.95, 2,246 students
  23. CHEM 1AL Average GPA 2.97, 31,216 students
  24. CHEM 113C: PHYSICAL CHEMISTRY Average GPA 2.98, 2,119 students
  25. CHEM 112C: BIOPHYSIC CHEMISTRY Average GPA 2.98, 592 students
  26. CHEM 2BL: GEN CHEM LAB-B Average GPA 3.00, 1,272 students
  27. CHEM 1BL Average GPA 3.01, 21,136 students
  28. CHEM 143 Average GPA 3.01, 191 students
  29. CHEM 6AL: ORGANIC CHEM LAB Average GPA 3.02, 12,622 students
  30. CHEM 6BL: ORGANIC CHEM LAB Average GPA 3.04, 10,456 students
  31. CHEM 128 Average GPA 3.05, 276 students
  32. CHEM 124 Average GPA 3.06, 134 students
  33. CHEM 112B Average GPA 3.07, 601 students
  34. CHEM 1CL Average GPA 3.08, 18,330 students
  35. CHEM 162A: DRUG DESIGN Average GPA 3.11, 207 students
  36. CHEM 116AL Average GPA 3.13, 1,301 students
  37. CHEM 163: ORG ARROW PUSH Average GPA 3.13, 140 students
  38. CHEM 146 Average GPA 3.14, 257 students
  39. CHEM 116BL: ADV PHYS CHEM LAB Average GPA 3.21, 1,273 students
  40. CHEM 173B Average GPA 3.21, 827 students
  41. CHEM 6CL: ORGANIC CHEM LAB Average GPA 3.21, 689 students
  42. CHEM 116CL: INORG SYN PHYS LAB Average GPA 3.26, 743 students
  43. CHEM 118: PHOTO & RADTN CHEM Average GPA 3.29, 360 students
  44. CHEM 2AL: GEN CHEM LAB-A Average GPA 3.30, 2,710 students
  45. CHEM 150: ANALYTICAL CHEM Average GPA 3.30, 2,374 students
  46. CHEM 153: ADV ANALYTICL TECHN Average GPA 3.30, 168 students
  47. CHEM 175 Average GPA 3.32, 107 students
  48. CHEM 130B Average GPA 3.36, 231 students
  49. CHEM 115A: FUNDS QUANTUM CHEM Average GPA 3.36, 117 students
  50. CHEM 171: BIOINORGANIC CHEM Average GPA 3.37, 209 students
  51. CHEM 123: FUND ENVIRON CHEM Average GPA 3.39, 1,734 students
  52. CHEM 129: SYNTH ORG REAC Average GPA 3.40, 227 students
  53. CHEM 113AL Average GPA 3.41, 187 students
  54. CHEM 2A Average GPA 3.43, 609 students
  55. CHEM 3C: GEN CHEM MAJORS Average GPA 3.47, 250 students
  56. CHEM 232: ORGANOMETALLICS Average GPA 3.48, 143 students
  57. CHEM 3L: ADV LAB PRAC Average GPA 3.55, 107 students
  58. CHEM 2C Average GPA 3.59, 530 students
  59. CHEM 184 Average GPA 3.60, 213 students
  60. CHEM 228 Average GPA 3.60, 123 students
  61. CHEM 224 Average GPA 3.63, 128 students
  62. CHEM 227: STRUC REAC ORG CHEM Average GPA 3.67, 193 students
  63. CHEM 109CH Average GPA 3.68, 513 students
  64. CHEM 229: SYNTH ORG REAC Average GPA 3.68, 183 students
  65. CHEM 2B Average GPA 3.69, 571 students
  66. CHEM 282C: METHODS MATRL CHEM Average GPA 3.69, 115 students
  67. CHEM 109AH Average GPA 3.70, 562 students
  68. CHEM 196: SPECIAL TOPICS Average GPA 3.71, 189 students
  69. CHEM 2BC Average GPA 3.72, 301 students
  70. CHEM 2CC Average GPA 3.72, 272 students
  71. CHEM 109BH Average GPA 3.73, 563 students
  72. CHEM 239 Average GPA 3.91, 102 students
  73. CHEM 290: SEM IN CHEM & BCHEM Average GPA 3.92, 425 students
  74. CHEM 279 Average GPA 3.92, 175 students
  75. CHEM 595: GROUP STUDIES Average GPA 3.92, 149 students
  76. CHEM 198: IND STUD CHEM ED Average GPA 3.94, 111 students
  77. CHEM 596: DIRECTED READ RSRCH Average GPA 3.95, 2,366 students
  78. CHEM 199: INDEPENDENT STUDIES Average GPA 3.97, 150 students
  79. CHEM 293: FAC RESCH SEMINAR Average GPA 3.98, 181 students
  80. CHEM 223: CUR EVENTS ORG CHEM Average GPA 3.99, 302 students

See also: Easiest classes, UCSB course catalog, CHEM course catalog.

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