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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. Refers to the =CH2 group






2. When boat flips






3. Charged - need electrons






4. Same molecular formula but different structure






5. Formed by mixing different types of orbitals






6. A sigma bond and two pi bonds






7. O3






8. Name for propanal






9. 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.






10. Combustion reaction occurs through a radical process






11. One s and three p orbitals






12. In presence of peroxide - oxygen or ultraviolet light. antimarkonikov because they want a stable free radical. therefore X ends up on least subsituted carbon






13. Object that is not superimposable upon mirror image






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






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






16. Diol with hydroxyl group on same carbon






17. Lowest priority group projects into the page






18. Compounds with halogen






19. 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






20. What are the best leaving groups?






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






22. One s and two p 120 degree apart






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






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






25. Alphabetical order of alkane rxn






26. Hydrocarbon with one or more carbon carbon triple bond






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






28. Most favorable of staggared conformations






29. Rotations cancel each other out therefore no optical activity






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






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






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






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






34. A molecule with an internal plane of symmetry






35. Diols with hydroxyl group on adjacent carbon






36. 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.






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






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






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






40. F - CL - Br - I






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






42. What is produced when o3 with lialh4 or nabh4






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






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






45. N - l - ml - ms






46. Di - tri - t - sec - n -






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






48. Two hydroxyl groups






49. 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-






50. M - chloroperoxybenzoic acid







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