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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.
  • 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 molecular formula but different structure






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






3. Is bonded to only one other carbon atom






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






5. Refers to the =CH2 group






6. Combustion reaction occurs through a radical process






7. Hydrocarbon with one or more carbon carbon triple bond






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






9. 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-






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






11. Goal is to produce most stable carbocation

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






13. Name for mathanal






14. Name for propanal






15. Sharing of electron between atoms






16. Compounds with halogen






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






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






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






20. Not solvated






21. Lowest priority group projects into the page






22. One s and two p 120 degree apart






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






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






25. 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.






26. 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.






27. Carbon carbon triple bonds. Suffix-yne.






28. Methyl are 60 degrees apart. kinda stable






29. Kmno4






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






31. Zn/h or CH3/s with ozonolysis






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






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






34. Creation of long - high molecular weight polymer composed of repeating subunit called monomers. occur through a radical mechanism.






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






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






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






38. Transfer of electrions from one atome to another






39. If reagent has a bunch of oxygen






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






41. Diols with hydroxyl group on adjacent carbon






42. 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






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






44. M - chloroperoxybenzoic acid






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






46. Rotations cancel each other out therefore no optical activity






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






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






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






50. Name for ethanal







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