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21. Picric acid (2,4,6-trinitrophenol) is slightly soluble in water but is readily soluble (with stirring and...
19. The over the counter analgesic aspirin is prepared from salicylic acid by a one step...
19. The over the counter analgesic aspirin is prepared from salicylic acid by a one step process as shown below. Would pure aspirin give a positive FeCl3 test? Justify your answer. OH OH -OH Salicylic acid Acetic anhydride Aspirin (acetylsalicylic acid) acetic acid 20. Caproic acid (molecular formula C.H20) is only slightly soluble in water but is readily soluble (with stirring or shaking) in both 0.6 M NaHCO, and 2.5 M NaOH. Conversely, formic acid is readily soluble in both...
5. Draw the two branched-chain isomers with the formula C-H16, where the longest chain in the...
5. Draw the two branched-chain isomers with the formula C-H16, where the longest chain in the molecule is 6 carbons long. 6. What are the IUPAC names of the following alkanes? (a) CH2--CH3 CH3 CH3-CH-CH2-CH2-CH2-CH-CH: (b) CH2-CH CH3-CH-CH2-CH2-C-CH2-CH3 CH2-CH3 18. You have carried out the ferric chloride test as part of one of your lab experiment. (a) What functional group(s) does it test for the presence of? (b) What is the reaction that occurs if that functional group is present?...
1. Using Sigma-Aldrich website or Merck Index website or Google search find and draw structures for...
1. Using Sigma-Aldrich website or Merck Index website or Google search find and draw structures for the following compounds. (a) Atropine (b) Hydroxychloroquine (c) Saccharin (d) Cholesterol (e) Vitamin C (ascorbic acid) 2. Find the melting points for the following compounds by using Sigma-Aldrich or Google search (a) Biphenyl (b) 4-bromobenzoic acid (C) 3-nitrophenol 9. Chlorine, bromine and iodine all react with alkenes such as ethene in an addition reaction (a) Write the equation for the bromination of ethene, and...
5. Compound C is insoluble in water and is soluble in 5M HCl solution. Identify the...
5. Compound C is insoluble in water and is soluble in 5M HCl solution. Identify the structure of C from the following options. i) Aniline ii) Benzoic acid iii) Phenol iv) Toluene 6. Compound D is insoluble in water/ 5M HCI / 5M NaOH / 5MNaHCO3 solutions. It forms a silver mirror when treated with Ammonical silver nitrate solution (Tollen's reagent). Identify the functional group in D. i) An alkyne ii) Phenol iii) An alkene iv) An aldehyde 7. Compound...
In which set are both compounds soluble is water? (A) magnesium (MgCI_2) and octane (C_6H_18) (B)...
In which set are both compounds soluble is water? (A) magnesium (MgCI_2) and octane (C_6H_18) (B) ethanol (CH_2CH_2OH) and propane (CH-3CH_2CH_3) (C) carbon tetrachloride (CCI_4) and magnesium chloride (MgCI_2) (D) magnesium chloride (MgCI_2) and ethanol (CH_2CH_2OH) When potassium chloride, KCI dissolves in water, which of these diagram would best what you would expect to find in solution? Which is a precipitation reaction? (A) 2Cr(s) + 6HNO_3(aq) rightarrow 2Cr(NO_3)_3(aq) + 3H_2(g) (B) H_3PO_4(aq) + 3KOH(aq) rightarrow K_3PO_4(aq) + 3H_2O(l)) (C) 3Ba(NO_3)_2(aq)...
PROCEDURE CAUTION!!! Nitric acid and sulfuric acid are strong and corrosive acids. For that reason, avoid...
PROCEDURE CAUTION!!! Nitric acid and sulfuric acid are strong and corrosive acids. For that reason, avoid inhaling its vapors or causing any contact with the skin or clothing. Wear your protective glasses at all times. Use the extractors to work with these acids. A. Nitration of methyl benzoate 1. Preparation of the reactants. In the extractor you will find a burette with concentrated sulfuric acid, a second burette with concentrated nitric acid, clearly identified. Familiarize yourself with the scales of...
The following primary standards can be used for the standardization of bases except. a. Benzoic acid...
The following primary standards can be used for the standardization of bases except. a. Benzoic acid b. Oxalic acid c. CaCO3 d. KHP A solution that may contain NaOH, Na 2CO3, and NaHCO3, alone or in compatible combination was titrated with 0.1200 M HCl. The volume of the acid required to reach the phenolphthalein endpoint was 25.67 mL while 38.13 mL to reach the methyl red endpoint. What are the components of the mixture? a. Na2CO3 only b. NaOH only...
CHROMIC ACID OXIDATION Pre Lab Questions the amounts of materials that will be used from the...
CHROMIC ACID OXIDATION Pre Lab Questions the amounts of materials that will be used from the experimental section above) H2SO4 + Na2Cr207 2H20- H2O, A Molecular Weight Theoretical yield amount moles on (if applicable) Equivalents 2. Look up the melting point for p-nitrobenzoic acid and record the reference. 3. What color change is expected to be observed in the reaction? Explain why. CHROMIC ACID OXIDATION Experimental Procedure: Part I: Synthesis of p-nitrobenzoic Acid 1. Under the hood, add 0.400 g...
When you write the answers, please write the page number for which the question is located....
When you write the answers, please write the page number for
which the question is located. Thank you!
Experiment 8 Name: Double Replacement Reactions Background: Some reactions have the net effect of causing the cation of cach reactant to trade places, forming a compound with the other anion. These reactions are known as double replacement reactions. In the example below (unbalanced equation), the barium and sodium cations switch places so that barium forms a product with sulfate while sodium forms...
please identify the unknown and write a derivative Unknown compound 3 Clear liquid Physcial Properties Solubility...
please identify the unknown and write a derivative
Unknown compound 3 Clear liquid Physcial Properties Solubility Dissolve in ethyl ether Not dissolved in water Boiling point 77 IR spectrum Transmitance 3000 1000 2000 Wavenumber cm-1) Classification Positive test in Alkaline Iron (III) Hydroxamate test test CLASSIFICATION TESTS These tests must be done together with known AND FOLLOW PROCEDURE IN YOUR TEXT CARBOXYLIC ACIDS are detected by teating aqueous solutions with limus or pH paper. Also, disolve In NaHCO with bubbles...
19. The over the counter analgesic aspirin is prepared from salicylic acid by a one step process as shown below. Would pure aspirin give a positive FeCl3 test? Justify your answer. OH OH -OH Salicylic acid Acetic anhydride Aspirin (acetylsalicylic acid) acetic acid 20. Caproic acid (molecular formula C.H20) is only slightly soluble in water but is readily soluble (with stirring or shaking) in both 0.6 M NaHCO, and 2.5 M NaOH. Conversely, formic acid is readily soluble in both...
5. Draw the two branched-chain isomers with the formula C-H16, where the longest chain in the molecule is 6 carbons long. 6. What are the IUPAC names of the following alkanes? (a) CH2--CH3 CH3 CH3-CH-CH2-CH2-CH2-CH-CH: (b) CH2-CH CH3-CH-CH2-CH2-C-CH2-CH3 CH2-CH3 18. You have carried out the ferric chloride test as part of one of your lab experiment. (a) What functional group(s) does it test for the presence of? (b) What is the reaction that occurs if that functional group is present?...
1. Using Sigma-Aldrich website or Merck Index website or Google search find and draw structures for the following compounds. (a) Atropine (b) Hydroxychloroquine (c) Saccharin (d) Cholesterol (e) Vitamin C (ascorbic acid) 2. Find the melting points for the following compounds by using Sigma-Aldrich or Google search (a) Biphenyl (b) 4-bromobenzoic acid (C) 3-nitrophenol 9. Chlorine, bromine and iodine all react with alkenes such as ethene in an addition reaction (a) Write the equation for the bromination of ethene, and...
5. Compound C is insoluble in water and is soluble in 5M HCl solution. Identify the structure of C from the following options. i) Aniline ii) Benzoic acid iii) Phenol iv) Toluene 6. Compound D is insoluble in water/ 5M HCI / 5M NaOH / 5MNaHCO3 solutions. It forms a silver mirror when treated with Ammonical silver nitrate solution (Tollen's reagent). Identify the functional group in D. i) An alkyne ii) Phenol iii) An alkene iv) An aldehyde 7. Compound...
In which set are both compounds soluble is water? (A) magnesium (MgCI_2) and octane (C_6H_18) (B) ethanol (CH_2CH_2OH) and propane (CH-3CH_2CH_3) (C) carbon tetrachloride (CCI_4) and magnesium chloride (MgCI_2) (D) magnesium chloride (MgCI_2) and ethanol (CH_2CH_2OH) When potassium chloride, KCI dissolves in water, which of these diagram would best what you would expect to find in solution? Which is a precipitation reaction? (A) 2Cr(s) + 6HNO_3(aq) rightarrow 2Cr(NO_3)_3(aq) + 3H_2(g) (B) H_3PO_4(aq) + 3KOH(aq) rightarrow K_3PO_4(aq) + 3H_2O(l)) (C) 3Ba(NO_3)_2(aq)...
PROCEDURE CAUTION!!! Nitric acid and sulfuric acid are strong and corrosive acids. For that reason, avoid inhaling its vapors or causing any contact with the skin or clothing. Wear your protective glasses at all times. Use the extractors to work with these acids. A. Nitration of methyl benzoate 1. Preparation of the reactants. In the extractor you will find a burette with concentrated sulfuric acid, a second burette with concentrated nitric acid, clearly identified. Familiarize yourself with the scales of...
CHROMIC ACID OXIDATION Pre Lab Questions the amounts of materials that will be used from the experimental section above) H2SO4 + Na2Cr207 2H20- H2O, A Molecular Weight Theoretical yield amount moles on (if applicable) Equivalents 2. Look up the melting point for p-nitrobenzoic acid and record the reference. 3. What color change is expected to be observed in the reaction? Explain why. CHROMIC ACID OXIDATION Experimental Procedure: Part I: Synthesis of p-nitrobenzoic Acid 1. Under the hood, add 0.400 g...
When you write the answers, please write the page number for
which the question is located. Thank you!
Experiment 8 Name: Double Replacement Reactions Background: Some reactions have the net effect of causing the cation of cach reactant to trade places, forming a compound with the other anion. These reactions are known as double replacement reactions. In the example below (unbalanced equation), the barium and sodium cations switch places so that barium forms a product with sulfate while sodium forms...
please identify the unknown and write a derivative
Unknown compound 3 Clear liquid Physcial Properties Solubility Dissolve in ethyl ether Not dissolved in water Boiling point 77 IR spectrum Transmitance 3000 1000 2000 Wavenumber cm-1) Classification Positive test in Alkaline Iron (III) Hydroxamate test test CLASSIFICATION TESTS These tests must be done together with known AND FOLLOW PROCEDURE IN YOUR TEXT CARBOXYLIC ACIDS are detected by teating aqueous solutions with limus or pH paper. Also, disolve In NaHCO with bubbles...
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