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MCAT Organic Chemistry

Subjects : mcat, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A sigma bond and two pi bonds






2. Water can be added to alkenes under acidic conditions. make carbocation. ends with alcohol






3. Arise from angle strain - torsional strian and nonbonded strain






4. Functionality is specified by alkoxy- prefix. ROR






5. If reagent has a bunch of oxygen






6. Ozonolysis under hot acidic kmO4 - e.g. H2O2 condition






7. What is produced when o3 with lialh4 or nabh4






8. Use the Greek root for the number of carbons followed by the ending - - ane






9. Contain carbon carbon double bonds. Use same root of alkane but end with 'ene'






10. Di - tri - t - sec - n -






11. Is bonded to only one other carbon atom






12. Same chemical formula. same atomic connectivity . different in how atoms are arranged in space






13. Common name for ethyne






14. Describes the exact spatial arrangement of groups of atoms independent of other molecules.






15. Chain of carbons connected by single bonds with hydrogen atoms attached.






16. Most similar. same molecule only at different points in their rotation. show them with newmans projections






17. Propylenes attached to a backbone at the C-3 position. Meaning the double bond at end of the chain and single bonded carbon at rest






18. Highest energy no separation. or 120 separation.






19. Diborane add to double bond. boron acts as lewis acid and attaches to less hindered carbon. hydride transferred to adjacent carbon. antimarkonikov - alcohol produced






20. When two atomic orbitals combine. obtained mathematically by adding or subtracting wave functions. if sings are the same - make bonding - if different - less stable antibonding.






21. O3






22. Y = position of double bond - x is position of triple bond - root is the prefix representing the length of the principal carbon chain






23. Results when nonadjacent atoms or groups compete for space. dominant source of energy in flagpole interactions of the boat conformation. thus it goes in various conformations like chair boat and twist.






24. A radical transfers a hydrogen atom to another radical and makes an alkane and alkene






25. Reducing an alkene by adding molecular hydrogen to double bond with aid of metal catalyst. e.g. pt - pd - ni. takes place on surface of metal so it does syn addition






26. Charged - need electrons






27. One s and three p orbitals






28. In presence of peroxide - oxygen or ultraviolet light. antimarkonikov because they want a stable free radical. therefore X ends up on least subsituted carbon






29. Formed by mixing different types of orbitals






30. F - CL - Br - I






31. Zn/h or CH3/s with ozonolysis






32. Diol with hydroxyl group on same carbon






33. Fast process. double bond is nucleophile and attack x2. make cyclic halonium ion with either br or cl. and make dihalo trans






34. Alphabetical order of alkane rxn






35. Transfer of electrions from one atome to another






36. Iso - neo - cyclo






37. Nonsuperimposable mirror image of chiral objects - a specific steroisomer.






38. Share molecular formula but have different chemical and physical properties






39. Always receive number one. contain carbonyl and OH group - very oxidized. highest priority functional group.






40. Carbonyl located in middle or somewhere in chane. Named with One






41. Three different substitutents often have plane of symmetry. and rotation of 180 will allow molecule to be superimposed on mirror image






42. Carbon double bonded to an oxygen






43. What are the best leaving groups?






44. Carbon with four different substituents and lack a plane of symmetry






45. A = observed rotation / concentration * length






46. One s and two p 120 degree apart






47. Two p orbital form pi and third p orbital combine with s to make two sp hybrid. 180 degree apart






48. Name for propanal






49. Diols with hydroxyl group on adjacent carbon






50. Hydrocarbon with one or more carbon carbon triple bond







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