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






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






3. Monosubstituted ethylene






4. Transfer of electrions from one atome to another






5. 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.






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






7. 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-






8. Highest energy no separation. or 120 separation.






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






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






11. Name for mathanal






12. Charged - need electrons






13. Two hydroxyl groups






14. Zn/h or CH3/s with ozonolysis






15. Diols with hydroxyl group on adjacent carbon






16. A sigma bond and two pi bonds






17. What are the best leaving groups?






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






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






20. Kmno4






21. Sharing of electron between atoms






22. If reagent has a bunch of oxygen






23. Hydrocarbon with one or more carbon carbon triple bond






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






25. 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






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

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






28. Lowest priority group projects into the page






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






30. Diol with hydroxyl group on same carbon






31. 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






32. Carbon carbon triple bonds. Suffix-yne.






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






34. A = observed rotation / concentration * length






35. If a compound is able to rotate plane polarized light.






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






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






38. 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






39. Steps of free radical substitution






40. How many stereoisomers can a molecule have with n chiral centers






41. O3






42. 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






43. 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.






44. Compounds with halogen






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






46. M - chloroperoxybenzoic acid






47. F - CL - Br - I






48. One s and three p orbitals






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






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






Can you answer 50 questions in 15 minutes?



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