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






2. F - CL - Br - I






3. When two p orbitals line up in parallel and electron clouds overlap. it exsits over a single bond.






4. Most favorable of staggared conformations






5. Carbon double bonded to an oxygen






6. 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.






7. What is produced when o3 with lialh4 or nabh4






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






9. Not solvated






10. Common name for ethyne






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






12. 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






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






14. O3






15. Most similar. same molecule only at different points in their rotation. show them with newmans projections






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






17. Alphabetical order of alkane rxn






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






19. Combustion reaction occurs through a radical process






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






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






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






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






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






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






26. 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.






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






28. Compounds with halogen






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






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






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






32. When boat flips






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






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






35. One s and three p orbitals






36. Highest energy no separation. or 120 separation.






37. Two hydroxyl groups






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

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39. Functionality is specified by alkoxy- prefix. ROR






40. Name for ethanal






41. Lowest priority group projects into the page






42. If reagent has a bunch of oxygen






43. Name for propanal






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






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






46. 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






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






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






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






50. Object that is not superimposable upon mirror image