1. Despite having numerous hydroxyl functional groups cellulose is water insoluble. Briefly explain. 2. Why were...
1. Despite having numerous hydroxyl functional groups cellulose is water insoluble. Briefly explain.
2. Why were many student’s benzoic acid crystals following extraction pink or orange in color? Briefly explain.
Homework Answers
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1. Despite having numerous hydroxyl functional groups cellulose
is water insoluble. Briefly explain.
2. Why were...
pre-laboratory Questions A 1 Explain why it is more efficient to make several extractions using small...
pre-laboratory Questions A 1 Explain why it is more efficient to make several extractions using small portions rather than one extraction using the same total volume. 2 Define the following terms: Drying agent intensity Drying agent capacity 3 Select the upper layer in each pair of mixed solvents (see Appendix C): Water and benzene Water and carbon tetrachloride Water and ether 4 Write an equation for the reaction of a benzoic acid with aqueous sodium bicarbonate. 5 Complete the following...
1.) Explain why I, is insoluble in water, but soluble in CCI: (5 pts) 2.) The...
1.) Explain why I, is insoluble in water, but soluble in CCI: (5 pts) 2.) The partial pressure of carbon dioxide inside a bottle of cola is 4.0 atm at 25°C. What is the solubility of CO,? The Henry's law constant for CO, in water is 3.3 x 10 mol/L(atm) at 25 °C. (5 pts)
4. Using your knowledge of Le Chatelier's principle and the given equation, explain why an excess of acetic a...
4. Using your knowledge of Le Chatelier's principle and the given equation, explain why an excess of acetic acid is used in this experiment. 5. If water was added as the solvent in this reaction would this shift the equilibrium in the desired direction to form more of the product (the ester)? Explain using the given equation and LaChatelier's principle. Alcoho 6. In the two chemical structures below, identify each of the following functional groups as either carboxylic ester, carboxylic...
Pt.1 predict whether soluble or insoluble. Pt 2. Miscible or immiscible Pt 3 and beyond- answering...
Pt.1 predict whether soluble or insoluble.
Pt 2. Miscible or immiscible
Pt 3 and beyond- answering questions
1. For each of the following pairs of solute and solvent, predict whether the solute would be soluble or insoluble. After making your predictions, you can check your answers by looking up the compounds in The Merck Index or the CRC Handbook of Chemistry and Physics. Generally, The Merck Index is the easier reference book to use. If the substance has a solubility...
1. Which of the following carbohydrates contain ketohexoses? a. starch b. sucrose c. cellulose d. fructose...
1. Which of the following carbohydrates contain ketohexoses? a. starch b. sucrose c. cellulose d. fructose d. lactose 2. Which of the following functional groups in a carbohydrate are able to be oxidized to carboxylic acids? a. ketones that are rearranged in solution b. ketones that are not rearranged in solution c. aldehydes d. alcohols 3. Which of the following carbohydrates were reducing sugars? a. lactose b. sucrose c. fructose d. starch e. cellulose 4. Why does lactose give a...
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...
Would the methylene chloride layer be above or below the experiment? Justify your answer. 1. aqueous layer in today...
Would the methylene chloride layer be above or below the experiment? Justify your answer. 1. aqueous layer in today's ium carbonate used in the isolation of caffeine? Be specific as to the 2. Why is potass chemical species the carbonate may act on. Why was sodium sulfate used? 3. 4. After introducing 1.0 g of potassium carbonate into the centri hot water extract, it was capped, shaken, and then cooled to room temperature. Following this, roug minute. Why wasn't the...
help with identifiying each unknown in extraction and washing experiment. the ir spectra are given below,...
help with identifiying each unknown in extraction and washing
experiment. the ir spectra are given below, along with data, and
the lab sheet is attached.
Neutral Solid Primary amine (Aniline) 3403cm - NE presence Transmittance 60 3258cm 1 streren NOUD Streich 50 Ctretcher strator NH2 aromatto 11 NO2 aring 2-nitroaniline K LILI 3600 3200 2800 2400 2000 1800 1600 Wavenumber cm-1 1400 1200 1000 800 600 Basic Solid primary amine Transmittance I NH2 Stretch p-acetvianiline 70 60 CS HG NO...
Can you help me determine if I am correct and help me find the ither answers...
Can
you help me determine if I am correct and help me find the ither
answers to this functional group lab worksheet?
18 w paper 1 we by addin trecome char Discussion of Properties and Test Ora general undergo dition reactions, whereas by substitution reactions. These two types of d e beds and womate compounds we characterized described in equation form as follows: action Addition Reaction Substitution Reaction (Note: numbers in boxes to the left refer to w in the...
Convert playlist Diction QUESTIONS 1. (2 Points) Why is it essential to keep the diazonium salt...
Convert playlist Diction QUESTIONS 1. (2 Points) Why is it essential to keep the diazonium salt at zero degrees while you are preparing the sodium 2-naphthoxide solution? 2. (2 Points) Would you need to use sodium carbonate for the diazotization of meta- nitroaniline? Explain your answer. 3. (2 Points) What would be the IUPAC name for the azo dye if you would have used p-chloroaniline instead of sulfanilic acid? Experiment 12 4. (4 Points) Calculate the theoretical yield for Orange...
1.) Explain why I, is insoluble in water, but soluble in CCI: (5 pts) 2.) The partial pressure of carbon dioxide inside a bottle of cola is 4.0 atm at 25°C. What is the solubility of CO,? The Henry's law constant for CO, in water is 3.3 x 10 mol/L(atm) at 25 °C. (5 pts)
4. Using your knowledge of Le Chatelier's principle and the given equation, explain why an excess of acetic acid is used in this experiment. 5. If water was added as the solvent in this reaction would this shift the equilibrium in the desired direction to form more of the product (the ester)? Explain using the given equation and LaChatelier's principle. Alcoho 6. In the two chemical structures below, identify each of the following functional groups as either carboxylic ester, carboxylic...
Pt.1 predict whether soluble or insoluble.
Pt 2. Miscible or immiscible
Pt 3 and beyond- answering questions
1. For each of the following pairs of solute and solvent, predict whether the solute would be soluble or insoluble. After making your predictions, you can check your answers by looking up the compounds in The Merck Index or the CRC Handbook of Chemistry and Physics. Generally, The Merck Index is the easier reference book to use. If the substance has a solubility...
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...
Would the methylene chloride layer be above or below the experiment? Justify your answer. 1. aqueous layer in today's ium carbonate used in the isolation of caffeine? Be specific as to the 2. Why is potass chemical species the carbonate may act on. Why was sodium sulfate used? 3. 4. After introducing 1.0 g of potassium carbonate into the centri hot water extract, it was capped, shaken, and then cooled to room temperature. Following this, roug minute. Why wasn't the...
help with identifiying each unknown in extraction and washing
experiment. the ir spectra are given below, along with data, and
the lab sheet is attached.
Neutral Solid Primary amine (Aniline) 3403cm - NE presence Transmittance 60 3258cm 1 streren NOUD Streich 50 Ctretcher strator NH2 aromatto 11 NO2 aring 2-nitroaniline K LILI 3600 3200 2800 2400 2000 1800 1600 Wavenumber cm-1 1400 1200 1000 800 600 Basic Solid primary amine Transmittance I NH2 Stretch p-acetvianiline 70 60 CS HG NO...
Can
you help me determine if I am correct and help me find the ither
answers to this functional group lab worksheet?
18 w paper 1 we by addin trecome char Discussion of Properties and Test Ora general undergo dition reactions, whereas by substitution reactions. These two types of d e beds and womate compounds we characterized described in equation form as follows: action Addition Reaction Substitution Reaction (Note: numbers in boxes to the left refer to w in the...
Convert playlist Diction QUESTIONS 1. (2 Points) Why is it essential to keep the diazonium salt at zero degrees while you are preparing the sodium 2-naphthoxide solution? 2. (2 Points) Would you need to use sodium carbonate for the diazotization of meta- nitroaniline? Explain your answer. 3. (2 Points) What would be the IUPAC name for the azo dye if you would have used p-chloroaniline instead of sulfanilic acid? Experiment 12 4. (4 Points) Calculate the theoretical yield for Orange...
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