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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.
  • 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. Alphabetical order of alkane rxn






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






3. Carbon double bonded to an oxygen






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

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5. Functionality is specified by alkoxy- prefix. ROR






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






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






8. Is bonded to only one other carbon atom






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






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






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






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






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






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






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. Lowest priority group projects into the page






18. Goal is to produce most stable carbocation

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19. One s and three p orbitals






20. Rotations cancel each other out therefore no optical activity






21. Name for mathanal






22. 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.






23. What is produced when o3 with lialh4 or nabh4






24. What are the best leaving groups?






25. Object that is not superimposable upon mirror image






26. 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.






27. Diols with hydroxyl group on adjacent carbon






28. Moleculse that have the opposite configuration at their one chiral center. or if multiple chiral centers - must have the opposite configuration at every one of their chiral centers to be enantiomers. identical physical properties and much of the same






29. Zn/h or CH3/s with ozonolysis






30. Name for propanal






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






32. F - CL - Br - I






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






34. 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-






35. Iso - neo - cyclo






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






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






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






39. Highest energy no separation. or 120 separation.






40. Common name for ethyne






41. Di - tri - t - sec - n -






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






43. 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.






44. Alkenes oxidzed with kmno4 - if made with cold - dilue - make OH on each side of double bond - diols or glycol in syn orientation






45. Monosubstituted ethylene






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






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






48. Formed by mixing different types of orbitals






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






50. Refers to the =CH2 group