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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. Share molecular formula but have different chemical and physical properties






2. N - l - ml - ms






3. Hydrocarbon with one or more carbon carbon triple bond






4. One s and three p orbitals






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






6. Two hydroxyl groups






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






8. 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






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






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






11. O3






12. What are the best leaving groups?






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






14. Most favorable of staggared conformations






15. 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






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






17. Monosubstituted ethylene






18. Name for propanal






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






20. When boat flips






21. Carbon double bonded to an oxygen






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






23. Name for mathanal






24. A = observed rotation / concentration * length






25. 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-






26. Methyl are 60 degrees apart. kinda stable






27. Not solvated






28. Same molecular formula but different structure






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






30. Goal is to produce most stable carbocation

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






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






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






34. Rotations cancel each other out therefore no optical activity






35. Name for ethanal






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






37. Zn/h or CH3/s with ozonolysis






38. 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.






39. Carbon carbon triple bonds. Suffix-yne.






40. Refers to the =CH2 group






41. When bond angles deviate from ideal values






42. Use the Greek root for the number of carbons followed by the ending - - ane






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






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






45. Compounds with halogen






46. Object that is not superimposable upon mirror image






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






48. M - chloroperoxybenzoic acid






49. Transfer of electrions from one atome to another






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