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






2. 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






3. 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






4. Name for mathanal






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






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






7. Most favorable of staggared conformations






8. Rotations cancel each other out therefore no optical activity






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






10. Common name for ethyne






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






12. What are the best leaving groups?






13. Name for ethanal






14. Lowest priority group projects into the page






15. Refers to the =CH2 group






16. Methyl are 60 degrees apart. kinda stable






17. When bond angles deviate from ideal values






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






19. Carbon double bonded to an oxygen






20. What is produced when o3 with lialh4 or nabh4






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






22. If reagent has a bunch of oxygen






23. Reaction of alkane with oxygen to form carbon dioxide - water and heat.






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






25. N - l - ml - ms






26. Iso - neo - cyclo






27. Alphabetical order of alkane rxn






28. Monosubstituted ethylene






29. 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






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. Formed by mixing different types of orbitals






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






33. A molecule with an internal plane of symmetry






34. 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.






35. When boat flips






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






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






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






39. Diols with hydroxyl group on adjacent carbon






40. Zn/h or CH3/s with ozonolysis






41. One s and two p 120 degree apart






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






43. Not solvated






44. A = observed rotation / concentration * length






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






46. 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






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






48. O3






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






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







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