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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. Carbon double bonded to an oxygen






2. Formed by mixing different types of orbitals






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






4. Transfer of electrions from one atome to another






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






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






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






8. Charged - need electrons






9. Hydrocarbon with one or more carbon carbon triple bond






10. 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






11. Combustion reaction occurs through a radical process






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






13. When boat flips






14. One s and three p orbitals






15. 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-






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






17. Name for propanal






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






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






20. Rotations cancel each other out therefore no optical activity






21. M - chloroperoxybenzoic acid






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






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






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






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






26. 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.






27. Carbon carbon triple bonds. Suffix-yne.






28. 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.






29. Alphabetical order of alkane rxn






30. Compounds with halogen






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






32. A molecule with an internal plane of symmetry






33. Methyl are 60 degrees apart. kinda stable






34. Diol with hydroxyl group on same carbon






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






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






37. Goal is to produce most stable carbocation

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






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






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






41. Functionality is specified by alkoxy- prefix. ROR






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






43. Lowest priority group projects into the page






44. 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






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






46. Diols with hydroxyl group on adjacent carbon






47. 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






48. Same molecular formula but different structure






49. Common name for ethyne






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