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

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2. Refers to the =CH2 group






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






4. Carbon double bonded to an oxygen






5. Same molecular formula but different structure






6. A sigma bond and two pi bonds






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






8. F - CL - Br - I






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






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






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






12. Methyl are 60 degrees apart. kinda stable






13. 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






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






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






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






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






18. 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






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






20. Two hydroxyl groups






21. When bond angles deviate from ideal values






22. 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.






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






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






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






26. Sharing of electron between atoms






27. 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.






28. Transfer of electrions from one atome to another






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






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






31. Combustion reaction occurs through a radical process






32. Hydrocarbon with one or more carbon carbon triple bond






33. Charged - need electrons






34. Lowest priority group projects into the page






35. Kmno4






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






37. Rotations cancel each other out therefore no optical activity






38. Formed by mixing different types of orbitals






39. One s and two p 120 degree apart






40. When boat flips






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






42. N - l - ml - ms






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






45. What is produced when o3 with lialh4 or nabh4






46. 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






47. Zn/h or CH3/s with ozonolysis






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






49. Steps of free radical substitution






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







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