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






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






3. 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






4. 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






5. If reagent has a bunch of oxygen






6. Iso - neo - cyclo






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






8. A = observed rotation / concentration * length






9. 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






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






11. Fast process. double bond is nucleophile and attack x2. make cyclic halonium ion with either br or cl. and make dihalo trans






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






13. Sharing of electron between atoms






14. Is bonded to only one other carbon atom






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






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






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






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






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






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






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






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






23. When boat flips






24. Results when nonadjacent atoms or groups compete for space. dominant source of energy in flagpole interactions of the boat conformation. thus it goes in various conformations like chair boat and twist.






25. Functionality is specified by alkoxy- prefix. ROR






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






27. Rotations cancel each other out therefore no optical activity






28. Diols with hydroxyl group on adjacent carbon






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






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






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






32. 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-






33. Name for propanal






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






35. Water can be added to alkenes under acidic conditions. make carbocation. ends with alcohol






36. What is produced when o3 with lialh4 or nabh4






37. Object that is not superimposable upon mirror image






38. Carbon double bonded to an oxygen






39. Methyl are 60 degrees apart. kinda stable






40. Transfer of electrions from one atome to another






41. Common name for ethyne






42. One s and three p orbitals






43. A molecule with an internal plane of symmetry






44. M - chloroperoxybenzoic acid






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






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

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47. Zn/h or CH3/s with ozonolysis






48. One s and two p 120 degree apart






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






50. Most favorable of staggared conformations