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MCAT Organic Chemistry

Subjects : mcat, science
Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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. Water can be added to alkenes under acidic conditions. make carbocation. ends with alcohol






2. F - CL - Br - I






3. Formed by mixing different types of orbitals






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






5. When boat flips






6. 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.






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






8. Name for mathanal






9. Methyl are 60 degrees apart. kinda stable






10. Diols with hydroxyl group on adjacent carbon






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






12. 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.






13. Transfer of electrions from one atome to another






14. Diol with hydroxyl group on same carbon






15. Non mirror image of configurational isomers. cis and trans alkenes are them. possible when a molecule has two or more stereogenic centers that differ at some but not alll of the centers. they require multiple chiral centers.






16. Di - tri - t - sec - n -






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






18. Iso - neo - cyclo






19. Monosubstituted ethylene






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






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






22. Zn/h or CH3/s with ozonolysis






23. Same molecular formula but different structure






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






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. Charged - need electrons






27. What is produced when o3 with lialh4 or nabh4






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






29. Combustion reaction occurs through a radical process






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






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






32. M - chloroperoxybenzoic acid






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






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






35. A = observed rotation / concentration * length






36. One s and three p orbitals






37. Name for ethanal






38. Sharing of electron between atoms






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






40. 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






41. Is bonded to only one other carbon atom






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






43. Not solvated






44. Functionality is specified by alkoxy- prefix. ROR






45. Two hydroxyl groups






46. N - l - ml - ms






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






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






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






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







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