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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. Not solvated






2. Compounds with halogen






3. A = observed rotation / concentration * length






4. Name for mathanal






5. Common name for ethyne






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






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






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






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






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






11. A sigma bond and two pi bonds






12. 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






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






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






15. F - CL - Br - I






16. Monosubstituted ethylene






17. When bond angles deviate from ideal values






18. What is produced when o3 with lialh4 or nabh4






19. Steps of free radical substitution






20. Refers to the =CH2 group






21. O3






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






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






24. Alphabetical order of alkane rxn






25. Carbon double bonded to an oxygen






26. When boat flips






27. Is bonded to only one other carbon atom






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






29. Name for ethanal






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






31. 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.






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






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






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






35. Combustion reaction occurs through a radical process






36. Sharing of electron between atoms






37. What are the best leaving groups?






38. Transfer of electrions from one atome to another






39. Zn/h or CH3/s with ozonolysis






40. One s and three p orbitals






41. 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






42. Charged - need electrons






43. Rotations cancel each other out therefore no optical activity






44. A molecule with an internal plane of symmetry






45. 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






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






47. Carbon carbon triple bonds. Suffix-yne.






48. M - chloroperoxybenzoic acid






49. Most favorable of staggared conformations






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







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