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






2. F - CL - Br - I






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






4. Name for mathanal






5. Monosubstituted ethylene






6. Object that is not superimposable upon mirror image






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






8. 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






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






10. Carbon double bonded to an oxygen






11. Same molecular formula but different structure






12. Name for ethanal






13. Most favorable of staggared conformations






14. If reagent has a bunch of oxygen






15. Two hydroxyl groups






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






17. 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






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






19. Methyl are 60 degrees apart. kinda stable






20. Transfer of electrions from one atome to another






21. A = observed rotation / concentration * length






22. What are the best leaving groups?






23. Is bonded to only one other carbon atom






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






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






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






27. Rotations cancel each other out therefore no optical activity






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






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






31. Steps of free radical substitution






32. Goal is to produce most stable carbocation

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33. Charged - need electrons






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






35. Formed by mixing different types of orbitals






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






37. Hydrocarbon with one or more carbon carbon triple bond






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






39. Refers to the =CH2 group






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






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






42. A molecule with an internal plane of symmetry






43. O3






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






45. 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.






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. Iso - neo - cyclo






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






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






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