Homework Answers
Halogenation of alcohols:
Primary and Secondary alcohols, the reaction rates are too slow, while tertiary alcohol reacts reasonably rapid;y with concentrated HCl.
Anhydrous ZnCl2 is called Lucas reagent.
In the present of lucvs reagent, all the three types of alcohols reacts with HCl reasonbly.
The order of reactivity is: 30>20>10 alcohols.
Controlled oxidation of Alcohols:
Primary alcohols can be oxidised to either carboxylic acids in the presence of strong oxidizing agent or aldehydes in the presence of mild oxidizing agent.
Secondary alcohols are oxidized to ketones.
Tertiary alcohols doesnot involve in oxidations.
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Data Table: Part A PARTA Reactants Observations Test tube 1 Butan-1-ol and HCI Test tube 2...
Part A: Data. Test Tube 1 Test Tube 2 Test Tube 3 Test Tube 4 20.76g...
Part A: Data. Test Tube 1 Test Tube 2 Test Tube 3 Test Tube 4 20.76g 20.75 20.74 20.75 Empty Weight 21.54g 21.50g 21.47g 21.59g Weight with NaHCO, or NaCO3 Dry weight 21.30g 21.26g 21.55g 21.68g Part A: Calculations. Balanced Equations (4 points) Write a balanced equation for the reaction between hydrochloric acid and sodium hydrogen carbonate. Include phase labels. Write a balanced equation for the reaction between hydrochloric acid and sodium carbonate. Include phase labels. Using a single line...
f. Place about 2 mL of iron (III) chloride solution, FeCl3(aq), in a test tube. Add...
f. Place about 2 mL of iron (III) chloride solution, FeCl3(aq), in a test tube. Add about 10 drops of potassium thiocyanate solution, KSCN(aq). Observe any changes. Place a small amount of solid sodium bicarbonate, NaHCO3. also known as baking soda) in the bottom of a dry test tube. Cover the bottom to a depth of about 1 em. Quickly pour in about 2 mL of acetic acid, HC2H309. Observe any changes. There are really two reactions occurring here, one...
EXPERIMENT 4 Organic Families - Reactions and Identification of Functional Groups PART A. Reactions of Alkanes and Alkenes 1. Action of Bromine Water Observation Organic Compound cyclohexene c...
EXPERIMENT 4 Organic Families - Reactions and Identification of Functional Groups PART A. Reactions of Alkanes and Alkenes 1. Action of Bromine Water Observation Organic Compound cyclohexene cyclohexane Equations: Write an equation for the above compounds which caused a decolourisation of bromine water. Name and draw all reactants and products. Distinguishing Test for Primary, Secondary and Tertiary Alcohols PART B. 1. Lucas Test for Alcohols Organic Compound tert-pentanol (2-methyl 2-butanol) 2-pentanol Observation 1-pentanol Equations: Write an equation for the above...
Part C. Benedict's Test. Test Tube Samp Prediction Observations Results (+ or -) 2-hydroxybutanal Benzaldehyde Propanone...
Part C. Benedict's Test. Test Tube Samp Prediction Observations Results (+ or -) 2-hydroxybutanal Benzaldehyde Propanone Cyclohexanone Unknown Part D. Iodoform Test. Test Sample Tube 1 2-hydroxybutanal Prediction Observations Results (+ or -) Benzaldehyde Propanone Cyclohexanone Unknown Experiment 12 Identification of Aldehydes and Ketones O the b e t theader of each holding your breath as a st beward your nose. Record the derson the specified memes from O Ta Test g shes between ones that contain a methyl group...
2. In a test tube mix 1 mL of 0.1 M BaCl2 with 1 mL of...
2. In a test tube mix 1 mL of 0.1 M BaCl2 with 1 mL of 0.1 M Na2S0. What happens when you mix the two reactants? What does the test tube look like after 3-5 minutes? As part of your observations look-up the solubility of sodium chloride and barium sulfate on the solubility table handout Based on the reactants and the given product what is the formula of the insoluble product you observe in this experiment?
Part II. Combustion 2. Pour by holding a burning splint over the heptane Use a test tube holder t...
Part II. Combustion 2. Pour by holding a burning splint over the heptane Use a test tube holder to invert a test tube over the flame produced by the bep- until it from the heptane flame. Quickly move the inverted test tube away from the flame and insert the burning splint into the inverted test tube. What happened to the burning splint? Carefully note ontop of itaud for couneseconds Hen test tube turtend e block colo up over tents. What...
Chemical Reactions & Equations System 1: Reaction of Sodium Metal with Water Observations: solution start to...
Chemical Reactions & Equations System 1: Reaction of Sodium Metal with Water Observations: solution start to produce vapor and eventually catches fire Reaction Type: Balanced Equation: (Na with H2O) Reaction in words: The hydrogen gas produced in the reaction can ignite in the presence of oxygen gas in the air. If you observed flames above, it was likely due to this reaction Reaction Type: Balanced Equation: (hydrogen gas with oxygen gas): System 2: Combustion Reactions of Methane (CH4) and Cellulose...
Hello, these are part of one question, please show work. Data Sheet Chemical Reactions 2. Obtain a...
Hello, these are part of one question, please show work.
Data Sheet Chemical Reactions 2. Obtain and clean with sandpaper to expose the surface: 3 pieces of zine, 2 pieces of copper and 1 piece of lead. Place 6 test tubes in a rack and label each appropriately. Observe the contents of each of the test tubes for evidence of a reaction. Record your observations in the tables below TABLE 55 Observations Tube I: Copper strip and approximately 1 mL...
4.3 Effect of a Catalyst Test Tube Observations (2) Catalyst Present (Yes or No?) 1. Reference...
4.3 Effect of a Catalyst Test Tube Observations (2) Catalyst Present (Yes or No?) 1. Reference 2. MnO2 |3. Zn 4. fresh potato 5. boiled potato Which substance was most active as a catalyst? Q3 How does a catalyst change the rate of a reaction without affecting its equilib- rium? Q4 How do you explain the difference in catalytic activity of the fresh and boiled potatoes? B. Chemical Equilibrium: Reversible Reactions B.1 Reaction of a Hydrate Appearance Heating (1) Initial...
USING DATA FROM TUBE #2!!!!! Table 2.1: Spectrophotometric data used to calculate the equilibrium constant for...
USING DATA FROM TUBE #2!!!!!
Table 2.1: Spectrophotometric data used to calculate the equilibrium constant for Fe(SCN)* Initial Conc. of the Reactants in the test tubes (M) Equilibrium Concentrationin Reaction Constants Concentrat the test tubes (M) (see next page) Fe Source Tube # 1 Auconn Fel SCN Fe SCN Fe(SCN)K рк. C o1oA NA Stock 7.612 Solution A 2 3u QUESTIONS 1) Complete Table 2.1. With the results of tube #2, show the calculations for the determination of the equilibrium...
Part A: Data. Test Tube 1 Test Tube 2 Test Tube 3 Test Tube 4 20.76g 20.75 20.74 20.75 Empty Weight 21.54g 21.50g 21.47g 21.59g Weight with NaHCO, or NaCO3 Dry weight 21.30g 21.26g 21.55g 21.68g Part A: Calculations. Balanced Equations (4 points) Write a balanced equation for the reaction between hydrochloric acid and sodium hydrogen carbonate. Include phase labels. Write a balanced equation for the reaction between hydrochloric acid and sodium carbonate. Include phase labels. Using a single line...
f. Place about 2 mL of iron (III) chloride solution, FeCl3(aq), in a test tube. Add about 10 drops of potassium thiocyanate solution, KSCN(aq). Observe any changes. Place a small amount of solid sodium bicarbonate, NaHCO3. also known as baking soda) in the bottom of a dry test tube. Cover the bottom to a depth of about 1 em. Quickly pour in about 2 mL of acetic acid, HC2H309. Observe any changes. There are really two reactions occurring here, one...
EXPERIMENT 4 Organic Families - Reactions and Identification of Functional Groups PART A. Reactions of Alkanes and Alkenes 1. Action of Bromine Water Observation Organic Compound cyclohexene cyclohexane Equations: Write an equation for the above compounds which caused a decolourisation of bromine water. Name and draw all reactants and products. Distinguishing Test for Primary, Secondary and Tertiary Alcohols PART B. 1. Lucas Test for Alcohols Organic Compound tert-pentanol (2-methyl 2-butanol) 2-pentanol Observation 1-pentanol Equations: Write an equation for the above...
Part C. Benedict's Test. Test Tube Samp Prediction Observations Results (+ or -) 2-hydroxybutanal Benzaldehyde Propanone Cyclohexanone Unknown Part D. Iodoform Test. Test Sample Tube 1 2-hydroxybutanal Prediction Observations Results (+ or -) Benzaldehyde Propanone Cyclohexanone Unknown Experiment 12 Identification of Aldehydes and Ketones O the b e t theader of each holding your breath as a st beward your nose. Record the derson the specified memes from O Ta Test g shes between ones that contain a methyl group...
2. In a test tube mix 1 mL of 0.1 M BaCl2 with 1 mL of 0.1 M Na2S0. What happens when you mix the two reactants? What does the test tube look like after 3-5 minutes? As part of your observations look-up the solubility of sodium chloride and barium sulfate on the solubility table handout Based on the reactants and the given product what is the formula of the insoluble product you observe in this experiment?
Part II. Combustion 2. Pour by holding a burning splint over the heptane Use a test tube holder to invert a test tube over the flame produced by the bep- until it from the heptane flame. Quickly move the inverted test tube away from the flame and insert the burning splint into the inverted test tube. What happened to the burning splint? Carefully note ontop of itaud for couneseconds Hen test tube turtend e block colo up over tents. What...
Hello, these are part of one question, please show work.
Data Sheet Chemical Reactions 2. Obtain and clean with sandpaper to expose the surface: 3 pieces of zine, 2 pieces of copper and 1 piece of lead. Place 6 test tubes in a rack and label each appropriately. Observe the contents of each of the test tubes for evidence of a reaction. Record your observations in the tables below TABLE 55 Observations Tube I: Copper strip and approximately 1 mL...
4.3 Effect of a Catalyst Test Tube Observations (2) Catalyst Present (Yes or No?) 1. Reference 2. MnO2 |3. Zn 4. fresh potato 5. boiled potato Which substance was most active as a catalyst? Q3 How does a catalyst change the rate of a reaction without affecting its equilib- rium? Q4 How do you explain the difference in catalytic activity of the fresh and boiled potatoes? B. Chemical Equilibrium: Reversible Reactions B.1 Reaction of a Hydrate Appearance Heating (1) Initial...
USING DATA FROM TUBE #2!!!!!
Table 2.1: Spectrophotometric data used to calculate the equilibrium constant for Fe(SCN)* Initial Conc. of the Reactants in the test tubes (M) Equilibrium Concentrationin Reaction Constants Concentrat the test tubes (M) (see next page) Fe Source Tube # 1 Auconn Fel SCN Fe SCN Fe(SCN)K рк. C o1oA NA Stock 7.612 Solution A 2 3u QUESTIONS 1) Complete Table 2.1. With the results of tube #2, show the calculations for the determination of the equilibrium...
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