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






2. Kmno4






3. 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.






4. Transfer of electrions from one atome to another






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






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






7. Diols with hydroxyl group on adjacent carbon






8. 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-






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






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






11. Alphabetical order of alkane rxn






12. 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






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






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






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






16. Rotations cancel each other out therefore no optical activity






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






18. Two hydroxyl groups






19. Functionality is specified by alkoxy- prefix. ROR






20. 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.






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






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






23. Methyl are 60 degrees apart. kinda stable






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






25. 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






26. When bond angles deviate from ideal values






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






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






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






30. A molecule with an internal plane of symmetry






31. 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






32. Common name for ethyne






33. If reagent has a bunch of oxygen






34. Monosubstituted ethylene






35. Lowest priority group projects into the page






36. Results when cyclic molecules must assume conformations that have eclipsed interactions






37. Y = position of double bond - x is position of triple bond - root is the prefix representing the length of the principal carbon chain






38. Name for ethanal






39. Most favorable of staggared conformations






40. Same molecular formula but different structure






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






42. What is produced when o3 with lialh4 or nabh4






43. Name for propanal






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






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






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






47. Formed by mixing different types of orbitals






48. Di - tri - t - sec - n -






49. Zn/h or CH3/s with ozonolysis






50. Carbon carbon triple bonds. Suffix-yne.






Can you answer 50 questions in 15 minutes?



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