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MCAT Organic Chemistry

Subjects : mcat, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • 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. Functionality is specified by alkoxy- prefix. ROR






2. O3






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






4. F - CL - Br - I






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






6. 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






7. Highest energy no separation. or 120 separation.






8. Methyl are 60 degrees apart. kinda stable






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






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






11. Name for propanal






12. Object that is not superimposable upon mirror image






13. A molecule with an internal plane of symmetry






14. What is produced when o3 with lialh4 or nabh4






15. Name for ethanal






16. Most favorable of staggared conformations






17. Is bonded to only one other carbon atom






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






19. Name for mathanal






20. Formed by mixing different types of orbitals






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






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






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






24. Steps of free radical substitution






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






26. Kmno4






27. 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.






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






29. 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.






30. When bond angles deviate from ideal values






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






32. Combustion reaction occurs through a radical process






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






34. Carbon double bonded to an oxygen






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






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






37. Diol with hydroxyl group on same carbon






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






39. Solvents with protons in solution - e.g. water or alcohol. large atoms tend to be better nucleophiles in here because they can shed the solvating protons around them and are more polarizable






40. Two hydroxyl groups






41. Charged - need electrons






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






43. Zn/h or CH3/s with ozonolysis






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






45. N - l - ml - ms






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






47. 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-






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






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






50. Goal is to produce most stable carbocation

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