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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. M - chloroperoxybenzoic acid






2. What are the best leaving groups?






3. Methyl are 60 degrees apart. kinda stable






4. Is bonded to only one other carbon atom






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






6. When bond angles deviate from ideal values






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






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






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






10. 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-






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






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






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






14. Di - tri - t - sec - n -






15. Functionality is specified by alkoxy- prefix. ROR






16. Kmno4






17. Diol with hydroxyl group on same carbon






18. Carbon double bonded to an oxygen






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






20. Rotations cancel each other out therefore no optical activity






21. N - l - ml - ms






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






23. Combustion reaction occurs through a radical process






24. Transfer of electrions from one atome to another






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






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






27. When boat flips






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






29. O3






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






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






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






33. Carbon carbon triple bonds. Suffix-yne.






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






35. Not solvated






36. Sharing of electron between atoms






37. F - CL - Br - I






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






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






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






41. 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






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






43. Carbonyl located at the end of the chain named by replacing al with e. e.g. butanal






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






45. 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.






46. A = observed rotation / concentration * length






47. What is produced when o3 with lialh4 or nabh4






48. 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






49. Alphabetical order of alkane rxn






50. Hydrocarbon with one or more carbon carbon triple bond







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