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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. Charged - need electrons






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






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






4. 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.






5. Nitrogen containing compound - longest chain attached to nitrogen used in backbone. use e and replace with AMINE. if more complex molecule present - use prefix amino. IF additional group added - use N-






6. Non mirror image of configurational isomers. cis and trans alkenes are them. possible when a molecule has two or more stereogenic centers that differ at some but not alll of the centers. they require multiple chiral centers.






7. Kmno4






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






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






10. Goal is to produce most stable carbocation

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






12. When a molecular orbital is formed head to head or tail to tail. all single bonds are tehese.






13. F - CL - Br - I






14. 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






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






16. One s and two p 120 degree apart






17. Combustion reaction occurs through a radical process






18. If reagent has a bunch of oxygen






19. Rotations cancel each other out therefore no optical activity






20. No double bonds. it has the maximum number of hydrogens.






21. Transfer of electrions from one atome to another






22. Name for mathanal






23. Steps of free radical substitution






24. Cleaves double bond in half - it only oxidizes the carbon to an aldehyde under reducing conditions. if ozidizing make same product as KMNO4






25. Refers to the =CH2 group






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






27. Common name for ethyne






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






29. Alkene oxidized with this - strong oxidizing agent. CH3CO3H or mcpba and it makes epoxide or oxirane






30. A sigma bond and two pi bonds






31. One s and three p orbitals






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






33. 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






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






35. What are the best leaving groups?






36. Two hydroxyl groups






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






38. When boat flips






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






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

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41. Di - tri - t - sec - n -






42. Carbon double bonded to an oxygen






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






44. Name for ethanal






45. Monosubstituted ethylene






46. Nucleus lover. electron rich species that are attracked to charged atoms






47. Most favorable of staggared conformations






48. Alphabetical order of alkane rxn






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






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