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In which of the following pairs of names do both names represent the same alcoho

ID: 481698 • Letter: I

Question

In which of the following pairs of names do both names represent the same alcohol? a. 2-propanol and propyl alcohol b. l-propanol and isopropyl alcohol c. 2-methyl-2-propanol and isobutyl alcohol d. no correct response The solubility of alcohols in water? a. decreases as the carbon chain length increases b. decreases as the number of -OH groups present increases c. increases with increasing molecular mass d no correct response Which of the following is a correct name-composition pairing for an alcohol? a. 2-methylpentanol; six carbon atoms and two OH groups b. ethylene glycol, three carbon atoms and two OH groups c. glycerol, three carbon atoms and three OH groups In the following compound the bromine (Br) located on which carbon? Which of the following will react with Tollen's reagent? Use the following to answer the questions below: Characterize each compound in terms of functional groups present using the response list. Responses may be used more than once or need not be used at all. a) one aldehyde functional group b) two aldehyde functional groups c) one ketone functional group d) one aldehyde and one ketone functional group Pentanal ____ 3-Pentanone ____ Pentanedial ____ 3-Methylpentanone ____

Explanation / Answer

26. Pair which represent same name alcohol

d) no correct response

27. The solubility of alcohols in water,

a. decreases as carbon chain length increases

hydrophobicity goes up with increasing chain length

28. Correct decsription of molecule structure would be,

c. three carbon, with three OH groups

29. In the structure, Br is located at,

b. beta-carbon

30. the ones to react with tollen's reagent is,

a.

Tollen's reagent is a confirmatory test for aldehydes

Numeric response

31. Pentanal : a)

32. 3-pentanone : c)

33. Pentandial : b)

34. 3-methylpentanone : c)