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






2. Not solvated






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






4. M - chloroperoxybenzoic acid






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






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






7. 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






8. A molecule with an internal plane of symmetry






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






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






11. Three different substitutents often have plane of symmetry. and rotation of 180 will allow molecule to be superimposed on mirror image






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






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






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






15. Kmno4






16. No double bonds. it has the maximum number of hydrogens.






17. Most favorable of staggared conformations






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






19. When boat flips






20. Rotations cancel each other out therefore no optical activity






21. Name for mathanal






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






23. Same molecular formula but different structure






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






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






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






27. A sigma bond and two pi bonds






28. Carbon double bonded to an oxygen






29. 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-






30. Two hydroxyl groups






31. Carbon carbon triple bonds. Suffix-yne.






32. N - l - ml - ms






33. A = observed rotation / concentration * length






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






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

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36. What is produced when o3 with lialh4 or nabh4






37. O3






38. Combustion reaction occurs through a radical process






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






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






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






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






43. Compounds with halogen






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






45. Name for propanal






46. If reagent has a bunch of oxygen






47. Functionality is specified by alkoxy- prefix. ROR






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






49. 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






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