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






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






3. Most favorable of staggared conformations






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






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

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6. Sharing of electron between atoms






7. Diols with hydroxyl group on adjacent carbon






8. Two hydroxyl groups






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






10. Diol with hydroxyl group on same carbon






11. One s and two p 120 degree apart






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






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






14. F - CL - Br - I






15. What are the best leaving groups?






16. 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






17. Alphabetical order of alkane rxn






18. When boat flips






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






20. Compounds with halogen






21. Carbon double bonded to an oxygen






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






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






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






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






27. Functionality is specified by alkoxy- prefix. ROR






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






29. 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.






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






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






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






33. 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






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






35. Highest energy no separation. or 120 separation.






36. Hydrocarbon with one or more carbon carbon triple bond






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






38. If reagent has a bunch of oxygen






39. 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






40. Formed by mixing different types of orbitals






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






42. Methyl are 60 degrees apart. kinda stable






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






44. Name for ethanal






45. A molecule with an internal plane of symmetry






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






47. Refers to the =CH2 group






48. Three different substitutents often have plane of symmetry. and rotation of 180 will allow molecule to be superimposed on mirror image






49. N - l - ml - ms






50. Charged - need electrons