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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. Spatial arrangement of the atoms or groups of a sterioisomer






2. F - CL - Br - I






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






4. N - l - ml - ms






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






6. Palladium or barium sulfate (BaSO4) with quinoline. occur on metal surface - make cis.

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7. Compounds with halogen






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






9. When boat flips






10. Sharing of electron between atoms






11. Name for propanal






12. One s and three p orbitals






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






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






15. If reagent has a bunch of oxygen






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






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






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






19. What is produced when o3 with lialh4 or nabh4






20. Methyl are 60 degrees apart. kinda stable






21. Carbon double bonded to an oxygen






22. E of double bond act as lewis base and react with hydrogen of hx. make carbocation intermediate. use markonikovs rule






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






24. A molecule with an internal plane of symmetry






25. Kmno4






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






27. Highest energy no separation. or 120 separation.






28. Refers to the =CH2 group






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






30. 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.






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






32. Hydrocarbon with one or more carbon carbon triple bond






33. Iso - neo - cyclo






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






35. Name for ethanal






36. Functionality is specified by alkoxy- prefix. ROR






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






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






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






40. Diols with hydroxyl group on adjacent carbon






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






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






43. Di - tri - t - sec - n -






44. 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.






45. Transfer of electrions from one atome to another






46. Charged - need electrons






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






48. Goal is to produce most stable carbocation

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






50. Same molecular formula but different structure