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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.
  • 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. Kmno4






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

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






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






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






6. Not solvated






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






8. F - CL - Br - I






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






10. Occur when a molecule is broken down by heat. used to reduce the avverage molecular weight of heavy oils. c - c - bonds are cleave dand make small chain alkyl radicals that recombine to form different alkanes






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






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






13. 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






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






15. Two p orbital form pi and third p orbital combine with s to make two sp hybrid. 180 degree apart






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






17. Carbon double bonded to an oxygen






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. Rotations cancel each other out therefore no optical activity






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






21. Same molecular formula but different structure






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






23. Transfer of electrions from one atome to another






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






25. Functionality is specified by alkoxy- prefix. ROR






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






27. Name for ethanal






28. Iso - neo - cyclo






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






30. 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.






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






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






33. O3






34. Refers to the =CH2 group






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






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






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






38. Zn/h or CH3/s with ozonolysis






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






40. If reagent has a bunch of oxygen






41. Hydrocarbon with one or more carbon carbon triple bond






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






43. Combustion reaction occurs through a radical process






44. Methyl are 60 degrees apart. kinda stable






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






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






47. Common name for ethyne






48. Steps of free radical substitution






49. Charged - need electrons






50. When bond angles deviate from ideal values