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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. Is bonded to only one other carbon atom






2. One s and two p 120 degree apart






3. M - chloroperoxybenzoic acid






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






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






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






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






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






9. Transfer of electrions from one atome to another






10. What are the best leaving groups?






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






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






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






14. Formed by mixing different types of orbitals






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






16. Two hydroxyl groups






17. What is produced when o3 with lialh4 or nabh4






18. Not solvated






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






20. Highest energy no separation. or 120 separation.






21. 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.






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






24. When bond angles deviate from ideal values






25. 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.






26. Diols with hydroxyl group on adjacent carbon






27. Monosubstituted ethylene






28. One s and three p orbitals






29. Reaction of alkane with oxygen to form carbon dioxide - water and heat.






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






31. Spatial arrangement of the atoms or groups of a sterioisomer






32. Kmno4






33. Common name for ethyne






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






35. Methyl are 60 degrees apart. kinda stable






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






37. 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






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






39. Goal is to produce most stable carbocation

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40. Compounds with halogen






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






42. Creation of long - high molecular weight polymer composed of repeating subunit called monomers. occur through a radical mechanism.






43. Steps of free radical substitution






44. O3






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






46. Sharing of electron between atoms






47. Rotations cancel each other out therefore no optical activity






48. Combustion reaction occurs through a radical process






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






50. Most favorable of staggared conformations