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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. Carbon with four different substituents and lack a plane of symmetry






2. Iso - neo - cyclo






3. N - l - ml - ms






4. Rotations cancel each other out therefore no optical activity






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






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






7. Solvents with protons in solution - e.g. water or alcohol. large atoms tend to be better nucleophiles in here because they can shed the solvating protons around them and are more polarizable






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

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






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






12. Object that is not superimposable upon mirror image






13. A = observed rotation / concentration * length






14. Methyl are 60 degrees apart. kinda stable






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






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






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






18. Carbon double bonded to an oxygen






19. Charged - need electrons






20. Not solvated






21. Lowest priority group projects into the page






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






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






24. Functionality is specified by alkoxy- prefix. ROR






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






26. Nonterminal alkenes are cleaved to form two molar equivalent of carvoxylic acid ..make keton






27. One s and three p orbitals






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






29. Goal is to produce most stable carbocation

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30. F - CL - Br - I






31. Spatial arrangement of the atoms or groups of a sterioisomer






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






33. Diol with hydroxyl group on same carbon






34. Steps of free radical substitution






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






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






37. 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






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






39. Carbon carbon triple bonds. Suffix-yne.






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






41. Common name for ethyne






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






43. 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






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






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






46. Zn/h or CH3/s with ozonolysis






47. Hydrocarbon with one or more carbon carbon triple bond






48. 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.






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






50. Name for mathanal