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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. O3






2. Monosubstituted ethylene






3. If reagent has a bunch of oxygen






4. Highest energy no separation. or 120 separation.






5. Lowest priority group projects into the page






6. 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.






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






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






9. 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.






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






11. Same molecular formula but different structure






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






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






14. 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






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






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






17. Steps of free radical substitution






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






19. Hydrocarbon with one or more carbon carbon triple bond






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






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






22. Goal is to produce most stable carbocation

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






24. 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.






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






26. Most favorable of staggared conformations






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






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






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






30. 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






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






32. One s and three p orbitals






33. M - chloroperoxybenzoic acid






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






35. Is bonded to only one other carbon atom






36. F - CL - Br - I






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






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






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






40. Name for mathanal






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






42. Kmno4






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






44. Carbon double bonded to an oxygen






45. Object that is not superimposable upon mirror image






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






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






48. When boat flips






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






50. 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







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