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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. Iso - neo - cyclo






2. O3






3. What is produced when o3 with lialh4 or nabh4






4. Functionality is specified by alkoxy- prefix. ROR






5. Hydrocarbon with one or more carbon carbon triple bond






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






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






8. 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.






9. Diols with hydroxyl group on adjacent carbon






10. Common name for ethyne






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






12. Charged - need electrons






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






14. Steps of free radical substitution






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






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






17. Kmno4






18. N - l - ml - ms






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






20. Rotations cancel each other out therefore no optical activity






21. A molecule with an internal plane of symmetry






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






23. Not solvated






24. Most favorable of staggared conformations






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

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26. Is bonded to only one other carbon atom






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






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






29. M - chloroperoxybenzoic acid






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






31. When boat flips






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






33. Highest energy no separation. or 120 separation.






34. Nonterminal alkenes are cleaved to form two molar equivalent of carvoxylic acid ..make keton






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






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






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






38. One s and three p orbitals






39. Methyl are 60 degrees apart. kinda stable






40. Name for ethanal






41. Same molecular formula but different structure






42. Name for mathanal






43. 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






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






45. Zn/h or CH3/s with ozonolysis






46. 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.






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






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






49. 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






50. Carbon double bonded to an oxygen