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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. When bond angles deviate from ideal values






2. Always receive number one. contain carbonyl and OH group - very oxidized. highest priority functional group.






3. Hydrocarbon with one or more carbon carbon triple bond






4. What is produced when o3 with lialh4 or nabh4






5. Functionality is specified by alkoxy- prefix. ROR






6. Name for propanal






7. Same molecular formula but different structure






8. M - chloroperoxybenzoic acid






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






11. Kmno4






12. Methyl are 60 degrees apart. kinda stable






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






14. Iso - neo - cyclo






15. Goal is to produce most stable carbocation

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






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






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






19. Monosubstituted ethylene






20. Zn/h or CH3/s with ozonolysis






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






22. Sharing of electron between atoms






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






24. Combustion reaction occurs through a radical process






25. Rotations cancel each other out therefore no optical activity






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






27. 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






28. One s and three p orbitals






29. 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-






30. 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






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






32. N - l - ml - ms






33. 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






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






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






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






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






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






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






40. When a molecular orbital is formed head to head or tail to tail. all single bonds are tehese.






41. Charged - need electrons






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






43. Not solvated






44. Carbon carbon triple bonds. Suffix-yne.






45. Refers to the =CH2 group






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






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






48. 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






49. A molecule with an internal plane of symmetry






50. A sigma bond and two pi bonds