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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. Compounds with halogen






2. Functionality is specified by alkoxy- prefix. ROR






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






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






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






6. Common name for ethyne






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






8. If reagent has a bunch of oxygen






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






10. F - CL - Br - I






11. 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






12. 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






13. Rotations cancel each other out therefore no optical activity






14. Name for mathanal






15. Sharing of electron between atoms






16. What are the best leaving groups?






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






18. Electrons of pi bond are reactive and easily attacked by molecules that want e pair e.g. electrophiles.






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






20. Lowest priority group projects into the page






21. Diols with hydroxyl group on adjacent carbon






22. Monosubstituted ethylene






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






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






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






26. 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-






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






28. 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






29. When bond angles deviate from ideal values






30. One s and three p orbitals






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






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






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






34. N - l - ml - ms






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






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






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






38. A = observed rotation / concentration * length






39. 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.






40. Transfer of electrions from one atome to another






41. Occur when a molecule is broken down by heat. used to reduce the avverage molecular weight of heavy oils. c - c - bonds are cleave dand make small chain alkyl radicals that recombine to form different alkanes






42. Same molecular formula but different structure






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






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






45. Charged - need electrons






46. Goal is to produce most stable carbocation

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47. 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.






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






49. Two hydroxyl groups






50. Not solvated