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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.
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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. Alphabetical order of alkane rxn






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






3. M - chloroperoxybenzoic acid






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






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






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






7. Iso - neo - cyclo






8. Zn/h or CH3/s with ozonolysis






9. 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






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






11. Methyl are 60 degrees apart. kinda stable






12. Carbon carbon triple bonds. Suffix-yne.






13. 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.






14. Steps of free radical substitution






15. Diol with hydroxyl group on same carbon






16. Name for ethanal






17. Carbon double bonded to an oxygen






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






19. Name for propanal






20. What is produced when o3 with lialh4 or nabh4






21. Hydrocarbon with one or more carbon carbon triple bond






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






23. One s and two p 120 degree apart






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






25. Refers to the =CH2 group






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






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






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






29. A molecule with an internal plane of symmetry






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






31. 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.






32. Sharing of electron between atoms






33. Functionality is specified by alkoxy- prefix. ROR






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






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






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






37. Formed by mixing different types of orbitals






38. N - l - ml - ms






39. Lowest priority group projects into the page






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






41. Kmno4






42. Rotations cancel each other out therefore no optical activity






43. 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






44. Di - tri - t - sec - n -






45. A sigma bond and two pi bonds






46. When boat flips






47. Goal is to produce most stable carbocation

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48. Diols with hydroxyl group on adjacent carbon






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






50. One s and three p orbitals







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