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






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






3. Contain carbon carbon double bonds. Use same root of alkane but end with 'ene'






4. Carbon double bonded to an oxygen






5. Diol with hydroxyl group on same carbon






6. 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






7. What are the best leaving groups?






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






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






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






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






12. 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






13. Alphabetical order of alkane rxn






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






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






16. A sigma bond and two pi bonds






17. Refers to the =CH2 group






18. Rotations cancel each other out therefore no optical activity






19. 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.






20. Cleaves double bond in half - it only oxidizes the carbon to an aldehyde under reducing conditions. if ozidizing make same product as KMNO4






21. A = observed rotation / concentration * length






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






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






24. Di - tri - t - sec - n -






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






26. 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






27. Combustion reaction occurs through a radical process






28. Hydrocarbon with one or more carbon carbon triple bond






29. Not solvated






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






31. One s and two p 120 degree apart






32. Non mirror image of configurational isomers. cis and trans alkenes are them. possible when a molecule has two or more stereogenic centers that differ at some but not alll of the centers. they require multiple chiral centers.






33. Diols with hydroxyl group on adjacent carbon






34. M - chloroperoxybenzoic acid






35. Transfer of electrions from one atome to another






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






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






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






39. If reagent has a bunch of oxygen






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






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






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






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

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44. Object that is not superimposable upon mirror image






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






46. Functionality is specified by alkoxy- prefix. ROR






47. Two hydroxyl groups






48. Monosubstituted ethylene






49. Carbon carbon triple bonds. Suffix-yne.






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