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






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






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






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






5. Diols with hydroxyl group on adjacent carbon






6. Hydrocarbon with one or more carbon carbon triple bond






7. Compounds with halogen






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






9. Two hydroxyl groups






10. Highest energy no separation. or 120 separation.






11. Alphabetical order of alkane rxn






12. Same molecular formula but different structure






13. 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






14. Carbon double bonded to an oxygen






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






16. Iso - neo - cyclo






17. Common name for ethyne






18. Lowest priority group projects into the page






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






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






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






22. Formed by mixing different types of orbitals






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






24. Is bonded to only one other carbon atom






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






26. Combustion reaction occurs through a radical process






27. What are the best leaving groups?






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






29. 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






30. Name for ethanal






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






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






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






34. Transfer of electrions from one atome to another






35. Y = position of double bond - x is position of triple bond - root is the prefix representing the length of the principal carbon chain






36. 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.






37. Zn/h or CH3/s with ozonolysis






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

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39. Sharing of electron between atoms






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






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






42. One s and two p 120 degree apart






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






44. A molecule with an internal plane of symmetry






45. 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






46. Methyl are 60 degrees apart. kinda stable






47. Goal is to produce most stable carbocation

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48. What is produced when o3 with lialh4 or nabh4






49. 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.






50. F - CL - Br - I






Can you answer 50 questions in 15 minutes?



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