Homework Answers
SInce the compound is isoluble in NaOH but soluble in HCl, the compound must be basic
Amono group is more basic in naryre as compared to an alcohol
So I will go with amino group
Answer: b
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An unknown compound was found to be insoluble in water and insoluble in 5% NaOH. However,...
Question 10 Status: Not yet answered Points possible: 1.00 For each situation, determine which test you...
Question 10 Status: Not yet answered Points possible: 1.00 For each situation, determine which test you should run next to identify the functional group present in the compound. Each test will only be used once. The unknown is insoluble in water, 5% NaOH, 5% HCl, and conc. H2SO4. ✓ Choose... TCICA test Tollens's test Iron(III) chloride test Beilstein test The unknown is soluble in water and soluble in 5% NaHCO3 with no bubble production. Choose... The unknown is insoluble in...
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...
Status: Incomplete answer Points possible: 1.00 Consider the described qualitative test results and determine the most...
Status: Incomplete answer Points possible: 1.00 Consider the described qualitative test results and determine the most likely functional group present. Each description corresponds to a different functional gr Choose... Aldehyde The unknown is soluble in water and gives bubbles V Carboxylic acid with 5% NaHCO3. Alkene Amine The unknown is insoluble in water, insoluble in 5% Phenol NaOH, but soluble in 5% HCl. Alkene The unknown is soluble in water, does not produce bubbles in 5% NaHCO3, gives a precipitate...
I am given the following information about an unknown compound and need to answer questions A...
I am given the following information about an unknown compound and need to answer questions A and B. Help please! Unknown Number: 21 Physical Properties: Solid or Liquid: Solid Color: White Crystals Ignition Test: Flammability: Non-flammable Manner of melting: no residue Odor of Gases: n/a Bellstein Test (testing for halogens): Green flame Melting Point: 63 oC Boiling Point: n/a Solubility : H2O: Insoluble 5% or 10% NaOH: Soluble 5% or 10% HCl: Insoluble 5% or 10% NaHCO3: Soluble Reactivity with...
Suppose you have obtained the following observation for an unknown compound A. Observation 1: The unknown...
Suppose you have obtained the following observation for an unknown compound A. Observation 1: The unknown A was insoluble in water, and insoluble after adding NaOH Observation 2: The acidic chromate test resulted in green color Observation 3: No mirror formation with Tollens' test Which of the following is the possibility for unknown A? low molar-mass 1° or 2° alcohol high molar-mass 1° or 2° alcohol low molar-mass aldehyde high molar-mass ketone high molar-mass carboxylic acid high molar-mass aldehyde
You thought you were done but your instructor realized someone had left another unknown compound on...
You thought you were done but your instructor realized someone had left another unknown compound on the counter. Your instructor asked you to identify this compound as well so that it can be disposed of properly. You decide to take an IR but find this time it’s completely booked by research students. You therefore began analyzing the compounds solubility to determine the functional group. Given the following experimental data what is the functional group? 1.The compound was insoluble in water...
Identify the SPECIFIC compound. Boiling Point: 160 - 175 ° C (Fluctuates) Water Insoluble NaOH Insoluble...
Identify the SPECIFIC compound.
Boiling Point: 160 - 175 ° C (Fluctuates)
Water Insoluble
NaOH Insoluble
HCl insoluble (Nitro is absent)
H2SO4 Insoluble
Group X - Inert Compounds
(a) Alkyl and Aryl Compounds
(b) Aromatic Hydrocarbons
(c) Saturated Hydrocarbons
(d) Diaryl ethers
Failed Friedel - Crafts test (no color)
Fri Oct 25 17:13:02 2019 (GMT-04:00) 2664.85 % Transmittance 755.12 1346.49 1297.16256.13 1237.08173.61439.48 889.8844.4988.93 556.21 3345.36 2927.52 2854.91 1451.55363.76 1067.17 1025.44 969.35 405.86 -20 4000 3500 3000 1500 1000 500 2500...
QUESTION 1 A student was given a bottle containing an unknown compound known to be an...
QUESTION 1 A student was given a bottle containing an unknown compound known to be an alcohol, an alkane, an alkene, or an aromatic The student tested the compound with Br2, and found that the brown bromine drops very quickly turned clear. The student then tested the compound with a solution of KMnO in water and found that the purple color quickly turned to a dark brown color Ignition of a small sample burned with a luminous yellow flame and...
AgCl, FeCO3, Hg2Br2, and PbI2 are compounds that are insoluble in water. Which compound would be...
AgCl, FeCO3, Hg2Br2, and PbI2 are compounds that are insoluble in water. Which compound would be more soluble in acidic solution ? Group of answer choices AgCl only FeCO3 only Hg2Br2 only PbI2 only All of the above is more soluble in acidic solution.
A) Bunny's compound is insoluble in water, or aqueous acid, but soluble in aqueous NaOH. It...
A) Bunny's compound is insoluble in water, or aqueous acid, but soluble in aqueous NaOH. It also gave a definite rotation of- 0.3° in the polarimeter. It showed a strong absorbance at 1710 cm in the IR spectrum. Bunny has compound (letter): Explain: B) Buffy's compound was not soluble in water, aqueous acid, or aqueous base. It has no optical rotation. Her compound's IR is shown. Buffy has compound (letter): included): Explain (with at least one point from the IR...
Question 10 Status: Not yet answered Points possible: 1.00 For each situation, determine which test you should run next to identify the functional group present in the compound. Each test will only be used once. The unknown is insoluble in water, 5% NaOH, 5% HCl, and conc. H2SO4. ✓ Choose... TCICA test Tollens's test Iron(III) chloride test Beilstein test The unknown is soluble in water and soluble in 5% NaHCO3 with no bubble production. Choose... The unknown is insoluble in...
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...
Status: Incomplete answer Points possible: 1.00 Consider the described qualitative test results and determine the most likely functional group present. Each description corresponds to a different functional gr Choose... Aldehyde The unknown is soluble in water and gives bubbles V Carboxylic acid with 5% NaHCO3. Alkene Amine The unknown is insoluble in water, insoluble in 5% Phenol NaOH, but soluble in 5% HCl. Alkene The unknown is soluble in water, does not produce bubbles in 5% NaHCO3, gives a precipitate...
Suppose you have obtained the following observation for an unknown compound A. Observation 1: The unknown A was insoluble in water, and insoluble after adding NaOH Observation 2: The acidic chromate test resulted in green color Observation 3: No mirror formation with Tollens' test Which of the following is the possibility for unknown A? low molar-mass 1° or 2° alcohol high molar-mass 1° or 2° alcohol low molar-mass aldehyde high molar-mass ketone high molar-mass carboxylic acid high molar-mass aldehyde
Identify the SPECIFIC compound.
Boiling Point: 160 - 175 ° C (Fluctuates)
Water Insoluble
NaOH Insoluble
HCl insoluble (Nitro is absent)
H2SO4 Insoluble
Group X - Inert Compounds
(a) Alkyl and Aryl Compounds
(b) Aromatic Hydrocarbons
(c) Saturated Hydrocarbons
(d) Diaryl ethers
Failed Friedel - Crafts test (no color)
Fri Oct 25 17:13:02 2019 (GMT-04:00) 2664.85 % Transmittance 755.12 1346.49 1297.16256.13 1237.08173.61439.48 889.8844.4988.93 556.21 3345.36 2927.52 2854.91 1451.55363.76 1067.17 1025.44 969.35 405.86 -20 4000 3500 3000 1500 1000 500 2500...
QUESTION 1 A student was given a bottle containing an unknown compound known to be an alcohol, an alkane, an alkene, or an aromatic The student tested the compound with Br2, and found that the brown bromine drops very quickly turned clear. The student then tested the compound with a solution of KMnO in water and found that the purple color quickly turned to a dark brown color Ignition of a small sample burned with a luminous yellow flame and...
A) Bunny's compound is insoluble in water, or aqueous acid, but soluble in aqueous NaOH. It also gave a definite rotation of- 0.3° in the polarimeter. It showed a strong absorbance at 1710 cm in the IR spectrum. Bunny has compound (letter): Explain: B) Buffy's compound was not soluble in water, aqueous acid, or aqueous base. It has no optical rotation. Her compound's IR is shown. Buffy has compound (letter): included): Explain (with at least one point from the IR...
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