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






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






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






4. Compounds with halogen






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






6. If reagent has a bunch of oxygen






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






8. Iso - neo - cyclo






9. Same molecular formula but different structure






10. Functionality is specified by alkoxy- prefix. ROR






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






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






13. Combustion reaction occurs through a radical process






14. Name for ethanal






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






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






17. Refers to the =CH2 group






18. 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






19. When bond angles deviate from ideal values






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






21. Common name for ethyne






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






23. Goal is to produce most stable carbocation

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






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






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






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






28. One s and two p 120 degree apart






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






30. Zn/h or CH3/s with ozonolysis






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






32. 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






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






34. N - l - ml - ms






35. Sharing of electron between atoms






36. Highest energy no separation. or 120 separation.






37. Carbon carbon triple bonds. Suffix-yne.






38. Rotations cancel each other out therefore no optical activity






39. Object that is not superimposable upon mirror image






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






41. Diols with hydroxyl group on adjacent carbon






42. What are the best leaving groups?






43. Lowest priority group projects into the page






44. Two hydroxyl groups






45. Alphabetical order of alkane rxn






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






47. A = observed rotation / concentration * length






48. Not solvated






49. O3






50. 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