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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. Object that is not superimposable upon mirror image






2. Is bonded to only one other carbon atom






3. Diol with hydroxyl group on same carbon






4. Formed by mixing different types of orbitals






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






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






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






8. N - l - ml - ms






9. 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.






10. F - CL - Br - I






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






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






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






14. A sigma bond and two pi bonds






15. Hydrocarbon with one or more carbon carbon triple bond






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






17. Highest energy no separation. or 120 separation.






18. 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.






19. Sharing of electron between atoms






20. If reagent has a bunch of oxygen






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






22. When two p orbitals line up in parallel and electron clouds overlap. it exsits over a single bond.






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






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






25. Di - tri - t - sec - n -






26. 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






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






28. Monosubstituted ethylene






29. Kmno4






30. Transfer of electrions from one atome to another






31. Name for mathanal






32. 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






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






34. One s and two p 120 degree apart






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






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






37. When boat flips






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






39. Zn/h or CH3/s with ozonolysis






40. A = observed rotation / concentration * length






41. A molecule with an internal plane of symmetry






42. Same molecular formula but different structure






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






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






45. 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






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

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47. Most favorable of staggared conformations






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






49. Steps of free radical substitution






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