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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. Methyl are 60 degrees apart. kinda stable






2. Name for propanal






3. Same molecular formula but different structure






4. Two hydroxyl groups






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






6. 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






7. Transfer of electrions from one atome to another






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






9. One s and two p 120 degree apart






10. A molecule with an internal plane of symmetry






11. Monosubstituted ethylene






12. Name for ethanal






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






14. 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






15. One s and three p orbitals






16. A sigma bond and two pi bonds






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






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






19. 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-






20. M - chloroperoxybenzoic acid






21. When bond angles deviate from ideal values






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






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






24. 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






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






26. Common name for ethyne






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






28. Diol with hydroxyl group on same carbon






29. Highest energy no separation. or 120 separation.






30. Goal is to produce most stable carbocation

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31. 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.






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






33. Lowest priority group projects into the page






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






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






36. Sharing of electron between atoms






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






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






39. When boat flips






40. Refers to the =CH2 group






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






42. Charged - need electrons






43. Di - tri - t - sec - n -






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






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






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






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






48. Zn/h or CH3/s with ozonolysis






49. What is produced when o3 with lialh4 or nabh4






50. Kmno4







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