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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. F - CL - Br - I






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






3. A = observed rotation / concentration * length






4. A molecule with an internal plane of symmetry






5. E of double bond act as lewis base and react with hydrogen of hx. make carbocation intermediate. use markonikovs rule






6. Hydrocarbon with one or more carbon carbon triple bond






7. Charged - need electrons






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






9. Sharing of electron between atoms






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






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






12. Goal is to produce most stable carbocation

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13. 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






14. 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






15. Combustion reaction occurs through a radical process






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






17. Methyl are 60 degrees apart. kinda stable






18. One s and two p 120 degree apart






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






20. Monosubstituted ethylene






21. Carbon double bonded to an oxygen






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






23. Functionality is specified by alkoxy- prefix. ROR






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






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






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

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






28. Formed by mixing different types of orbitals






29. 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.






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






31. Iso - neo - cyclo






32. Alphabetical order of alkane rxn






33. Alkenes oxidzed with kmno4 - if made with cold - dilue - make OH on each side of double bond - diols or glycol in syn orientation






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






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






36. Is bonded to only one other carbon atom






37. Diols with hydroxyl group on adjacent carbon






38. Common name for ethyne






39. Object that is not superimposable upon mirror image






40. O3






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






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






43. Name for mathanal






44. Carbonyl located at the end of the chain named by replacing al with e. e.g. butanal






45. 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






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






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






48. Refers to the =CH2 group






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






50. In which one or morehydrogen atoms are replaced with a halogen atom. via free radical substitution