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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. Electrons of pi bond are reactive and easily attacked by molecules that want e pair e.g. electrophiles.






2. Diol with hydroxyl group on same carbon






3. Zn/h or CH3/s with ozonolysis






4. 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






5. Steps of free radical substitution






6. Functionality is specified by alkoxy- prefix. ROR






7. Spatial arrangement of the atoms or groups of a sterioisomer






8. Di - tri - t - sec - n -






9. Reaction of alkane with oxygen to form carbon dioxide - water and heat.






10. One s and two p 120 degree apart






11. Creation of long - high molecular weight polymer composed of repeating subunit called monomers. occur through a radical mechanism.






12. 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






13. Lowest priority group projects into the page






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






15. Most favorable of staggared conformations






16. Palladium or barium sulfate (BaSO4) with quinoline. occur on metal surface - make cis.

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17. Carbon double bonded to an oxygen






18. Moleculse that have the opposite configuration at their one chiral center. or if multiple chiral centers - must have the opposite configuration at every one of their chiral centers to be enantiomers. identical physical properties and much of the same






19. Name for ethanal






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






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






22. Methyl are 60 degrees apart. kinda stable






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






24. N - l - ml - ms






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






26. Differ in position of substitutents attached to a double bond or cycloalkane. Cis or trans or e or z






27. How many stereoisomers can a molecule have with n chiral centers






28. When boat flips






29. Two hydroxyl groups






30. Rotations cancel each other out therefore no optical activity






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






32. F - CL - Br - I






33. 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.






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






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






36. M - chloroperoxybenzoic acid






37. Is bonded to only one other carbon atom






38. Diols with hydroxyl group on adjacent carbon






39. Compounds with halogen






40. Common name for ethyne






41. Name for mathanal






42. What are the best leaving groups?






43. If a compound is able to rotate plane polarized light.






44. Highest energy no separation. or 120 separation.






45. Combustion reaction occurs through a radical process






46. When two p orbitals line up in parallel and electron clouds overlap. it exsits over a single bond.






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






48. Solvents with protons in solution - e.g. water or alcohol. large atoms tend to be better nucleophiles in here because they can shed the solvating protons around them and are more polarizable






49. O3






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