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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. 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.






2. Common name for ethyne






3. What is produced when o3 with lialh4 or nabh4






4. Charged - need electrons






5. M - chloroperoxybenzoic acid






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






7. Propylenes attached to a backbone at the C-3 position. Meaning the double bond at end of the chain and single bonded carbon at rest






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






9. Name for propanal






10. Methyl are 60 degrees apart. kinda stable






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






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






13. Formed by mixing different types of orbitals






14. Most favorable of staggared conformations






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






16. Kmno4






17. A = observed rotation / concentration * length






18. Alphabetical order of alkane rxn






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






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






21. Carbon carbon triple bonds. Suffix-yne.






22. Object that is not superimposable upon mirror image






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






24. Is bonded to only one other carbon atom






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






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






27. What are the best leaving groups?






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






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






30. If reagent has a bunch of oxygen






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






32. Not solvated






33. F - CL - Br - I






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






35. Functionality is specified by alkoxy- prefix. ROR






36. Lowest priority group projects into the page






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






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






39. Rotations cancel each other out therefore no optical activity






40. Di - tri - t - sec - n -






41. 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.






42. One s and three p orbitals






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






44. N - l - ml - ms






45. Same molecular formula but different structure






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

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47. Transfer of electrions from one atome to another






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






49. 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






50. 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