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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. Carbon carbon triple bonds. Suffix-yne.






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






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






4. Rotations cancel each other out therefore no optical activity






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






6. Zn/h or CH3/s with ozonolysis






7. 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






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






9. Iso - neo - cyclo






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






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






12. O3






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






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






15. Object that is not superimposable upon mirror image






16. Hydrocarbon with one or more carbon carbon triple bond






17. Water can be added to alkenes under acidic conditions. make carbocation. ends with alcohol






18. 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.






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






20. Carbon double bonded to an oxygen






21. 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






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






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






24. Di - tri - t - sec - n -






25. Refers to the =CH2 group






26. A molecule with an internal plane of symmetry






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






28. 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.






29. F - CL - Br - I






30. Charged - need electrons






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






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






33. Combustion reaction occurs through a radical process






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






35. Is bonded to only one other carbon atom






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






37. Goal is to produce most stable carbocation

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38. Common name for ethyne






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






40. Lowest priority group projects into the page






41. Methyl are 60 degrees apart. kinda stable






42. Same molecular formula but different structure






43. Name for propanal






44. 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






45. N - l - ml - ms






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






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






48. Compounds with halogen






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






50. When boat flips







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