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






2. Is bonded to only one other carbon atom






3. When boat flips






4. A = observed rotation / concentration * length






5. 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






6. Hydrocarbon with one or more carbon carbon triple bond






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






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






9. Refers to the =CH2 group






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






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






12. Name for mathanal






13. Name for ethanal






14. Methyl are 60 degrees apart. kinda stable






15. Sharing of electron between atoms






16. Highest energy no separation. or 120 separation.






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






18. What are the best leaving groups?






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






20. What is produced when o3 with lialh4 or nabh4






21. 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






22. Carbon double bonded to an oxygen






23. N - l - ml - ms






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






25. Diols with hydroxyl group on adjacent carbon






26. Common name for ethyne






27. Name for propanal






28. Lowest priority group projects into the page






29. Formed by mixing different types of orbitals






30. 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-






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






32. Iso - neo - cyclo






33. 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






34. Share molecular formula but have different chemical and physical properties






35. O3






36. M - chloroperoxybenzoic acid






37. Compounds with halogen






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






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






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






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






42. Monosubstituted ethylene






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






44. Kmno4






45. Alphabetical order of alkane rxn






46. 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






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






48. When bond angles deviate from ideal values






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






50. Goal is to produce most stable carbocation

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