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MCAT Organic Chemistry

Subjects : mcat, science
Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. Configuration in relation to another chiral molecule. use it to determine if a molecule is an enantiomer - diastereomer - etc






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






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






4. Most favorable of staggared conformations






5. Steps of free radical substitution






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






7. Same molecular formula but different structure






8. Iso - neo - cyclo






9. What are the best leaving groups?






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






11. Lowest priority group projects into the page






12. Sharing of electron between atoms






13. Name for ethanal






14. Methyl are 60 degrees apart. kinda stable






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






16. Compounds with halogen






17. Hydrocarbon with one or more carbon carbon triple bond






18. Goal is to produce most stable carbocation

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19. Di - tri - t - sec - n -






20. Kmno4






21. Charged - need electrons






22. A sigma bond and two pi bonds






23. Formed by mixing different types of orbitals






24. One s and two p 120 degree apart






25. Carbon carbon triple bonds. Suffix-yne.






26. 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






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






28. Object that is not superimposable upon mirror image






29. Diol with hydroxyl group on same carbon






30. Name for mathanal






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






32. 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






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






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






35. Rotations cancel each other out therefore no optical activity






36. One s and three p orbitals






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






38. 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






39. Transfer of electrions from one atome to another






40. Highest energy no separation. or 120 separation.






41. N - l - ml - ms






42. Not solvated






43. Combustion reaction occurs through a radical process






44. A molecule with an internal plane of symmetry






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






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






47. 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-






48. Carbon double bonded to an oxygen






49. Two hydroxyl groups






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







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