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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. A = observed rotation / concentration * length






2. Carbon double bonded to an oxygen






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






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






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






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






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






8. Formed by mixing different types of orbitals






9. O3






10. Carbon carbon triple bonds. Suffix-yne.






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






12. 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-






13. Sharing of electron between atoms






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






15. 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.






16. N - l - ml - ms






17. When boat flips






18. F - CL - Br - I






19. Goal is to produce most stable carbocation

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20. One s and two p 120 degree apart






21. Name for propanal






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






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






24. M - chloroperoxybenzoic acid






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






26. Lowest priority group projects into the page






27. A molecule with an internal plane of symmetry






28. Same molecular formula but different structure






29. Steps of free radical substitution






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






31. Iso - neo - cyclo






32. Rotations cancel each other out therefore no optical activity






33. Diol with hydroxyl group on same carbon






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






35. Not solvated






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






37. 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






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






39. 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






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






41. Object that is not superimposable upon mirror image






42. Is bonded to only one other carbon atom






43. Methyl are 60 degrees apart. kinda stable






44. One s and three p orbitals






45. Kmno4






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






47. What is produced when o3 with lialh4 or nabh4






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






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






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