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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. Charged - need electrons






2. 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-






3. Lowest priority group projects into the page






4. Highest energy no separation. or 120 separation.






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






6. When boat flips






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






8. Methyl are 60 degrees apart. kinda stable






9. 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






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






11. N - l - ml - ms






12. Most favorable of staggared conformations






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






14. 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.






15. Same molecular formula but different structure






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






17. Fast process. double bond is nucleophile and attack x2. make cyclic halonium ion with either br or cl. and make dihalo trans






18. 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






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






20. Combustion reaction occurs through a radical process






21. Carbon carbon triple bonds. Suffix-yne.






22. Refers to the =CH2 group






23. Carbon double bonded to an oxygen






24. Not solvated






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






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






27. 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






28. Name for ethanal






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






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






31. Common name for ethyne






32. What are the best leaving groups?






33. A = observed rotation / concentration * length






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






35. Rotations cancel each other out therefore no optical activity






36. Compounds with halogen






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






38. Is bonded to only one other carbon atom






39. A sigma bond and two pi bonds






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






41. Diols with hydroxyl group on adjacent carbon






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






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






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






45. Di - tri - t - sec - n -






46. Diol with hydroxyl group on same carbon






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






48. Zn/h or CH3/s with ozonolysis






49. One s and three p orbitals






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