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






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






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






4. N - l - ml - ms






5. O3






6. Kmno4






7. 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.






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






9. Alkene oxidized with this - strong oxidizing agent. CH3CO3H or mcpba and it makes epoxide or oxirane






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






11. Zn/h or CH3/s with ozonolysis






12. Di - tri - t - sec - n -






13. What are the best leaving groups?






14. 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






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

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16. In presence of peroxide - oxygen or ultraviolet light. antimarkonikov because they want a stable free radical. therefore X ends up on least subsituted carbon






17. Not solvated






18. Alphabetical order of alkane rxn






19. When bond angles deviate from ideal values






20. Is bonded to only one other carbon atom






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






22. Goal is to produce most stable carbocation

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23. Hydrocarbon with one or more carbon carbon triple bond






24. What is produced when o3 with lialh4 or nabh4






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






26. One s and three p orbitals






27. Compounds with halogen






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






29. 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






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






31. Monosubstituted ethylene






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






33. Transfer of electrions from one atome to another






34. Common name for ethyne






35. Diols with hydroxyl group on adjacent carbon






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






37. 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






38. Steps of free radical substitution






39. Name for ethanal






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






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






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






43. Combustion reaction occurs through a radical process






44. Functionality is specified by alkoxy- prefix. ROR






45. Carbon double bonded to an oxygen






46. A = observed rotation / concentration * length






47. 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






48. 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-






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






50. Rotations cancel each other out therefore no optical activity