Question: The first organic molecule to be synthesized from inorganic substances was _____.

1. urea

2. 2. acetic acid

3. 3. ammonium cyanate

4. 4. insulin

5. 5. DNA

6. Answer: 1

7. Question:

8. Answer: 3

9. Question: Which is an organic molecule?

10. 1. Ne

11. 2. O2

12. 3. CH4

13. 4. NaCl

14. 5. H2O

15. Answer: 3

16. Question: Which element is most particularly associated with organic chemistry?

17. 1. carbon

18. 2. sulfur

19. 3. nitrogen

20. 4. potassium

21. 5. oxygen

22. Answer: 1

23. Question:

24. Answer: 4

25. Question: A molecule constructed from ___ must contain at least one carbon-carbon double bond.

26. 1. 6 hydrogen, 2 carbon

27. 2. 6 hydrogen, 3 carbon

28. 3. 6 hydrogen, 2 carbon, 1 oxygen

29. 4. 8 hydrogen, 3 carbon, 3 oxygen

30. 5. 14 hydrogen, 12 carbon

31. Answer: 2

32. Question:

33. Answer: 3

34. Question:

35. Answer: 3

36. Question:

37. Answer: 3

38. Question: A molecule has one carbon-carbon double bond and four monovalent atoms or groups. How many different geometric isomers exist for this molecule?

39. 1. 0

40. 2. 2

41. 3. 4

42. 4. 6

43. 5. 8

44. Answer: 2