1. In the reactions involving the three isomeric alcohols with the formula C4H9OH, describe what each of the following tests showed about reactivity of the -OH group and reactions of 1º, 2°, and 3° alcohols. • the test with neutral KMNO4 • the test with concentrated HCl 2. Predict how the fourth alcohol with the formula C4H190 would react if tested with: •0.01 M KMNO4 • concentrated HCI at room temperature Extend Further Use your observations of the solutions formed in the previous experiments and your understanding of alcohols to complete a table like the one shown below. Research the melting and boiling points to verify your answers. Boiling Solubility in Solubility in point Alcohol Structural Color with Diagram water oil Litmus 1-Butanol | 2-Butanol | 2-Methylpropanol

1. In the reactions involving the three isomeric alcohols with the formula C4H9OH, describe what each of the following tests showed about reactivity of the -OH group and reactions of 1º, 2°, and 3° alcohols. • the test with neutral KMNO4 • the test with concentrated HCl 2. Predict how the fourth alcohol with the formula C4H190 would react if tested with: •0.01 M KMNO4 • concentrated HCI at room temperature Extend Further Use your observations of the solutions formed in the previous experiments and your understanding of alcohols to complete a table like the one shown below. Research the melting and boiling points to verify your answers. Boiling Solubility in Solubility in point Alcohol Structural Color with Diagram water oil Litmus 1-Butanol | 2-Butanol | 2-Methylpropanol

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter23: Carbon: Not Just Another Element

Section: Chapter Questions

Problem 121SCQ

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Hd 10 5 0 5 mL of NaOH added 10 20 15 10 LO 5 0
Answer questions a through c: a. A CHEM 1215L student prepares a dilute solution of sodium hydroxide, NaOH(aq), starting with 6 M sodium hydroxide. She then titrates a 1.372 g sample of KHP with the dilute sodium hydroxide solution, NaOH (aq), to a phenolphthalein end point. If the titration required 21.84 mL of sodium hydroxide, NaOH(aq), calculate the molar concentration of the sodium hydroxide solution, NaOH (aq). (Remember that KHP is potassium hydrogen phthalate KHC8H4O4, NOT potassium hydrogen phosphorus!) b. The student uses the same sodium hydroxide to titrate 10.00 mL of vinegar to a phe- nolphthalein end point. If the titration required 27.48 mL of sodium hydroxide, NaOH (aq), calculate the molar concentration of acetic acid, HC2H3O2 (aq), in the vinegar. c. Calculate the mass percent of acetic acid, HC2H3O2 (aq), in the vinegar using the mo- lar concentration for acetic acid, HC2H3O2 (aq), determined in part band assuming the density of the solution is 1.01 g/mL.
Trial 1: [4] Volume of NaOH, dispensed (mL): 0.01608 Trial 1: [5] Molar concentration of NaOH (mol/L): 0.102 Trial 2: [4] Volume of NaOH, dispensed (mL): 0.01423 Trial 2: [5] Molar concentration of NaOH (mol/L): 0.106 Trial 3: [4] Volume of NaOH, dispensed (mL): 0.01721 Trial 3: [5] Molar concentration of NaOH (mol/L): 0.109 Average molar concentration of NaOH (mol/L): 0.1057
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