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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. Common name for ethyne






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






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






4. Compounds with halogen






5. 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.






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






7. Most favorable of staggared conformations






8. Name for ethanal






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






10. Charged - need electrons






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






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






13. Two p orbital form pi and third p orbital combine with s to make two sp hybrid. 180 degree apart






14. Iso - neo - cyclo






15. Carbon double bonded to an oxygen






16. A molecule with an internal plane of symmetry






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






18. Monosubstituted ethylene






19. Alphabetical order of alkane rxn






20. 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.






21. 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






22. When boat flips






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






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






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






26. Lowest priority group projects into the page






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






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






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






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






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






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






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






34. F - CL - Br - I






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






36. N - l - ml - ms






37. What are the best leaving groups?






38. M - chloroperoxybenzoic acid






39. O3






40. Two hydroxyl groups






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






42. Not solvated






43. 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.






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






45. When a molecular orbital is formed head to head or tail to tail. all single bonds are tehese.






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






47. Hydrocarbon with one or more carbon carbon triple bond






48. Diol with hydroxyl group on same carbon






49. 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






50. Goal is to produce most stable carbocation

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