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






2. Iso - neo - cyclo






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






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






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






6. Compounds with halogen






7. Zn/h or CH3/s with ozonolysis






8. 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






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

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






11. Is bonded to only one other carbon atom






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






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






14. When boat flips






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






16. One s and two p 120 degree apart






17. M - chloroperoxybenzoic acid






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






19. O3






20. What is produced when o3 with lialh4 or nabh4






21. F - CL - Br - I






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






23. Diols with hydroxyl group on adjacent carbon






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






25. 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.






26. Sharing of electron between atoms






27. Not solvated






28. A sigma bond and two pi bonds






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






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






31. Common name for ethyne






32. When bond angles deviate from ideal values






33. 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.






34. Name for propanal






35. Same molecular formula but different structure






36. Functionality is specified by alkoxy- prefix. ROR






37. Carbon double bonded to an oxygen






38. Hydrocarbon with one or more carbon carbon triple bond






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






40. Monosubstituted ethylene






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






42. Three different substitutents often have plane of symmetry. and rotation of 180 will allow molecule to be superimposed on mirror image






43. 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-






44. N - l - ml - ms






45. 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






46. Highest energy no separation. or 120 separation.






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






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






49. Lowest priority group projects into the page






50. Goal is to produce most stable carbocation

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