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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.
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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. Compounds with halogen






2. Carbon double bonded to an oxygen






3. Kmno4






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






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






6. Most favorable of staggared conformations






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






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






9. Combustion reaction occurs through a radical process






10. Charged - need electrons






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






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






13. Lowest priority group projects into the page






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






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






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






17. Di - tri - t - sec - n -






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






19. Iso - neo - cyclo






20. 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






21. What is produced when o3 with lialh4 or nabh4






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






23. What are the best leaving groups?






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






25. When bond angles deviate from ideal values






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






27. Rotations cancel each other out therefore no optical activity






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






29. Carbon carbon triple bonds. Suffix-yne.






30. When boat flips






31. 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






32. Transfer of electrions from one atome to another






33. A = observed rotation / concentration * length






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






35. 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






36. Formed by mixing different types of orbitals






37. Methyl are 60 degrees apart. kinda stable






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






39. 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.






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






41. 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-






42. Name for mathanal






43. 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.






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






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






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






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






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






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

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50. Zn/h or CH3/s with ozonolysis