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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. Methyl are 60 degrees apart. kinda stable






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






3. When bond angles deviate from ideal values






4. A sigma bond and two pi bonds






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






6. Diols with hydroxyl group on adjacent carbon






7. Combustion reaction occurs through a radical process






8. Transfer of electrions from one atome to another






9. Sharing of electron between atoms






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






11. 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.






12. Rotations cancel each other out therefore no optical activity






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






14. 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






15. A = observed rotation / concentration * length






16. 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.






17. Charged - need electrons






18. Refers to the =CH2 group






19. Alphabetical order of alkane rxn






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






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






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






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






24. Same molecular formula but different structure






25. What are the best leaving groups?






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






27. One s and three p orbitals






28. If reagent has a bunch of oxygen






29. N - l - ml - ms






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






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






32. Highest energy no separation. or 120 separation.






33. Name for propanal






34. Name for mathanal






35. Propylenes attached to a backbone at the C-3 position. Meaning the double bond at end of the chain and single bonded carbon at rest






36. Not solvated






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






38. Kmno4






39. Functionality is specified by alkoxy- prefix. ROR






40. How many stereoisomers can a molecule have with n chiral centers






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

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42. F - CL - Br - I






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






44. M - chloroperoxybenzoic acid






45. Zn/h or CH3/s with ozonolysis






46. O3






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






48. What is produced when o3 with lialh4 or nabh4






49. When boat flips






50. Name for ethanal







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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