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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. Monosubstituted ethylene






2. M - chloroperoxybenzoic acid






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






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






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






6. Lowest priority group projects into the page






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






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






9. Name for propanal






10. Kmno4






11. One s and three p orbitals






12. Same molecular formula but different structure






13. A molecule with an internal plane of symmetry






14. 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






15. Rotations cancel each other out therefore no optical activity






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






17. Two hydroxyl groups






18. A = observed rotation / concentration * length






19. Functionality is specified by alkoxy- prefix. ROR






20. Diols with hydroxyl group on adjacent carbon






21. 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.






22. 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.






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






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






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






26. If reagent has a bunch of oxygen






27. Compounds with halogen






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






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






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

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31. 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






32. When boat flips






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






34. Sharing of electron between atoms






35. What is produced when o3 with lialh4 or nabh4






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






37. When bond angles deviate from ideal values






38. Carbon double bonded to an oxygen






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






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






41. Zn/h or CH3/s with ozonolysis






42. Highest energy no separation. or 120 separation.






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






44. What are the best leaving groups?






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






46. Hydrocarbon with one or more carbon carbon triple bond






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






48. Fast process. double bond is nucleophile and attack x2. make cyclic halonium ion with either br or cl. and make dihalo trans






49. Methyl are 60 degrees apart. kinda stable






50. A sigma bond and two pi bonds