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






2. Nonsuperimposable mirror image of chiral objects - a specific steroisomer.






3. What is produced when o3 with lialh4 or nabh4






4. Steps of free radical substitution






5. Is bonded to only one other carbon atom






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






7. F - CL - Br - I






8. Iso - neo - cyclo






9. Goal is to produce most stable carbocation

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10. Two hydroxyl groups






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






12. Combustion reaction occurs through a radical process






13. When a molecular orbital is formed head to head or tail to tail. all single bonds are tehese.






14. A = observed rotation / concentration * length






15. Object that is not superimposable upon mirror image






16. 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.






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






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






19. Charged - need electrons






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






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






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






23. Not solvated






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






25. Diols with hydroxyl group on adjacent carbon






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






27. Highest energy no separation. or 120 separation.






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






29. Di - tri - t - sec - n -






30. Functionality is specified by alkoxy- prefix. ROR






31. When bond angles deviate from ideal values






32. 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.






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






34. Hydrocarbon with one or more carbon carbon triple bond






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






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






37. M - chloroperoxybenzoic acid






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






40. Formed by mixing different types of orbitals






41. What are the best leaving groups?






42. One s and three p orbitals






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






44. Lowest priority group projects into the page






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






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






47. Methyl are 60 degrees apart. kinda stable






48. Carbon carbon triple bonds. Suffix-yne.






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






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