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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. Same molecular formula but different structure






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






3. Diol with hydroxyl group on same carbon






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






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






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

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






8. A molecule with an internal plane of symmetry






9. 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






10. Hydrocarbon with one or more carbon carbon triple bond






11. One s and two p 120 degree apart






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






13. Not solvated






14. 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






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






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






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






18. A sigma bond and two pi bonds






19. F - CL - Br - I






20. One s and three p orbitals






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






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






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






24. N - l - ml - ms






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






26. Name for mathanal






27. 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.






28. Kmno4






29. Functionality is specified by alkoxy- prefix. ROR






30. Refers to the =CH2 group






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






32. When bond angles deviate from ideal values






33. Carbon carbon triple bonds. Suffix-yne.






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






35. Compounds with halogen






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






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






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






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






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






41. Combustion reaction occurs through a radical process






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






43. Charged - need electrons






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






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






46. Transfer of electrions from one atome to another






47. Diols with hydroxyl group on adjacent carbon






48. A = observed rotation / concentration * length






49. Steps of free radical substitution






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