Test your basic knowledge |

GRE Chemistry Organic

Subjects : gre, science, chemistry
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. Splits an ether into alkyl halides






2. Can protect a ketone






3. Reduces ketone to alkane






4. Ph-NH2






5. Highly reactive carbonyl






6. Differ in fixed geometrical arrangement of atoms






7. Split an alkene into 2 carbonyls






8. Ch2I2 - Zn(Cu)






9. Replaces thioacetal/ketal with carbonyl






10. Reacts with alkene to form oxirane






11. Tertiary carbon center; racemic






12. One carbon away from aryl group can be reduced with Pd / H2






13. Aldehyde / ketone synthesis






14. Non-superimposable mirror image






15. H2O2






16. Cis/trans Isomers






17. Anti-alignment required






18. Donate electrons to aromatic ring






19. Formation of salcohol from alkene






20. Benzaldehyde






21. Alcohol closes ring to form oxirane






22. Cyclic ether






23. Reduces Ar-CH3 to -COOH






24. Oxidize to -COOH






25. 2 Sulfide linkages in place of aldehyde






26. More substituted elimination; more stable






27. Allylic Substitution






28. Chiral - with superimposable mirror image






29. Formation of ethoxide






30. Elimination to form alkene






31. Bound to same atom






32. OCH3






33. 4-pi system + 2-pi system --> Ring formation






34. Nucleophile adds to ketone (forming alcohol)






35. Uses Hg(OAc)2 + R'OH; forms ether from alkene






36. Oxidize to -CHO






37. Best with electron withdrawing group ortho/para to substitution site






38. Oxirane ring opening






39. R-NH2 + NaNO2/HCl --> R-N=N+ Cl-






40. Forms carboxylic acid; releases N






41. CH2-






42. Less hindered carbon center; chiral inversion






43. Differ in rotation about sigma bonds






44. Cycloformation






45. Thionyl chloride






46. Attach tosyl group onto alcohol






47. Tertiary carbocation formed; relieved by deprotonation






48. Bound to adjacent atoms






49. Reduces one bond of benzene ring






50. Differ in position of atoms