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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. Nonsuperimposable mirror image of chiral objects - a specific steroisomer.






2. A = observed rotation / concentration * length






3. Diborane add to double bond. boron acts as lewis acid and attaches to less hindered carbon. hydride transferred to adjacent carbon. antimarkonikov - alcohol produced






4. Iso - neo - cyclo






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






6. Functionality is specified by alkoxy- prefix. ROR






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






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






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






10. 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






11. F - CL - Br - I






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






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






14. Kmno4






15. Name for propanal






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






17. A sigma bond and two pi bonds






18. 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






19. 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






20. One s and three p orbitals






21. Di - tri - t - sec - n -






22. Is bonded to only one other carbon atom






23. 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-






24. Highest energy no separation. or 120 separation.






25. When boat flips






26. Rotations cancel each other out therefore no optical activity






27. Most favorable of staggared conformations






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






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






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






31. Refers to the =CH2 group






32. Two hydroxyl groups






33. Name for mathanal






34. Combustion reaction occurs through a radical process






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






36. Transfer of electrions from one atome to another






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






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






39. Formed by mixing different types of orbitals






40. 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.






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






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






43. When bond angles deviate from ideal values






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






45. Methyl are 60 degrees apart. kinda stable






46. Common name for ethyne






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






48. Carbon carbon triple bonds. Suffix-yne.






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






50. Zn/h or CH3/s with ozonolysis







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