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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.
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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. 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






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






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






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






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






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






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






8. One s and three p orbitals






9. Carbon carbon triple bonds. Suffix-yne.






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






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






12. Monosubstituted ethylene






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






14. A sigma bond and two pi bonds






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






16. When boat flips






17. Same molecular formula but different structure






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






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






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






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






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






23. Object that is not superimposable upon mirror image






24. What is produced when o3 with lialh4 or nabh4






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






26. Zn/h or CH3/s with ozonolysis






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






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






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






30. 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.






31. Compounds with halogen






32. A = observed rotation / concentration * length






33. Iso - neo - cyclo






34. Sharing of electron between atoms






35. Steps of free radical substitution






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






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






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






39. F - CL - Br - I






40. One s and two p 120 degree apart






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

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42. Kmno4






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






44. 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






45. Name for ethanal






46. Alkene oxidized with this - strong oxidizing agent. CH3CO3H or mcpba and it makes epoxide or oxirane






47. Methyl are 60 degrees apart. kinda stable






48. Diol with hydroxyl group on same carbon






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






50. Transfer of electrions from one atome to another







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