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






2. 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






3. 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






4. Formed by mixing different types of orbitals






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






6. Functionality is specified by alkoxy- prefix. ROR






7. When boat flips






8. If reagent has a bunch of oxygen






9. Lowest priority group projects into the page






10. When bond angles deviate from ideal values






11. One s and two p 120 degree apart






12. A = observed rotation / concentration * length






13. Goal is to produce most stable carbocation

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






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






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






17. Methyl are 60 degrees apart. kinda stable






18. Object that is not superimposable upon mirror image






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






20. 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.






21. Rotations cancel each other out therefore no optical activity






22. Carbon carbon triple bonds. Suffix-yne.






23. What is produced when o3 with lialh4 or nabh4






24. One s and three p orbitals






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






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






27. 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-






28. Is bonded to only one other carbon atom






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






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






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






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






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






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






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






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






37. A sigma bond and two pi bonds






38. 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






39. Carbon with four different substituents and lack a plane of symmetry






40. Kmno4






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






42. F - CL - Br - I






43. Zn/h or CH3/s with ozonolysis






44. O3






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






46. Name for ethanal






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






48. Steps of free radical substitution






49. Name for mathanal






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







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