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






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






3. 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






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






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






6. 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






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






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

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9. Functionality is specified by alkoxy- prefix. ROR






10. Not solvated






11. 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.






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






13. O3






14. F - CL - Br - I






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






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






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






18. Diols with hydroxyl group on adjacent carbon






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






20. Zn/h or CH3/s with ozonolysis






21. Di - tri - t - sec - n -






22. Kmno4






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






24. 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






25. Goal is to produce most stable carbocation

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26. Charged - need electrons






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






28. Steps of free radical substitution






29. N - l - ml - ms






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






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






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






33. If reagent has a bunch of oxygen






34. Most favorable of staggared conformations






35. Highest energy no separation. or 120 separation.






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






37. When boat flips






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






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






40. Refers to the =CH2 group






41. Alphabetical order of alkane rxn






42. Rotations cancel each other out therefore no optical activity






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






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






45. A molecule with an internal plane of symmetry






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






47. 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-






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






49. Name for ethanal






50. When bond angles deviate from ideal values







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