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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. 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.






2. N - l - ml - ms






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






4. Most favorable of staggared conformations






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






6. Refers to the =CH2 group






7. A molecule with an internal plane of symmetry






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






9. Configuration in relation to another chiral molecule. use it to determine if a molecule is an enantiomer - diastereomer - etc






10. More likely it is to attract positively charged proton. nucleophilic strength decreses: RO->HO>RCO2>ROH>H2O






11. Steps of free radical substitution






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






13. What is produced when o3 with lialh4 or nabh4






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






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






16. Two hydroxyl groups






17. Not solvated






18. Nonterminal alkenes are cleaved to form two molar equivalent of carvoxylic acid ..make keton






19. Lowest priority group projects into the page






20. A sigma bond and two pi bonds






21. Goal is to produce most stable carbocation

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22. Sharing of electron between atoms






23. Object that is not superimposable upon mirror image






24. Highest energy no separation. or 120 separation.






25. Methyl are 60 degrees apart. kinda stable






26. Formed by mixing different types of orbitals






27. Is bonded to only one other carbon atom






28. A = observed rotation / concentration * length






29. Kmno4






30. When boat flips






31. Diol with hydroxyl group on same carbon






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






33. Charged - need electrons






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






35. Carbon double bonded to an oxygen






36. Compounds with halogen






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






38. If reagent has a bunch of oxygen






39. Occur when a molecule is broken down by heat. used to reduce the avverage molecular weight of heavy oils. c - c - bonds are cleave dand make small chain alkyl radicals that recombine to form different alkanes






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






41. Name for ethanal






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

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43. Alphabetical order of alkane rxn






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






45. Transfer of electrions from one atome to another






46. F - CL - Br - I






47. 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






48. 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.






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






50. M - chloroperoxybenzoic acid