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Pretest #2 An unknown compound with formula C H O gave a sooty flame when burned...
Student XXX-XX unknown liquid compound bumed with a sooty flame. The unknown gave an orange precipit...
Student XXX-XX unknown liquid compound bumed with a sooty flame. The unknown gave an orange precipit with 2,4-dinitrophenylhydrazine, and nega positive iodoform test. The infrared spectrum of the compound revealed a strong absorption near 1700 cm. The mass spectrum of the compound is shown below. What is the name and structure of this unknown compound, and what is the nature of the strong absorption near 1700 em? tive Schiff's and Tollens tests. The uaknown also gave a 100 50 120...
1. Part 2 white complete structures for the major product(s) resulting from the following reactions. Ao...
1. Part 2 white complete structures for the major product(s) resulting from the following reactions. Ao Propanal + 2,4-dinitrophenylhydrazine --- 2-hexanol + ZnCl2 + HCI ----.. . . isopropyl alcohol + CrO3/H2S04 --- 1-butene + Br2/CH2Cl2 → In the space below, draw structures for the following: a. Bromobenzene b. Butanal Acetophenone Benzaldehyde e. Aniline 3. The following observations are frequently made in the laboratory. In each case below state in The following cheer brief terms, the deduction or deductions which...
The **C NMR and mass spectrum of an unknown compound is shown below. The unknown gave...
The **C NMR and mass spectrum of an unknown compound is shown below. The unknown gave an immediate precipitate when treated with 2,4- dinitrophenylhydrazine. When treated with the iodoform reagent, the unknown gara yellow precipitate. a. What is the structure of the unknown? What is the structure of the yellow precipitate that resulted when the compo was treated with the iodoform reagent? ita wi o mo 40 50 60 ther than ito 70 80 90 100 110 120 130 140...
qucntly mode on or deductions which Tc of the compound The following Observations are frequeno in...
qucntly mode on or deductions which Tc of the compound The following Observations are frequeno in the lab. In tach case below state in belicf terms, the deduction or deducto merdes made as to the nature of the Thear study The mass spectrum of an unknown Compound Berealed on Mt fragment at m/2=121 go un nown Compound produced a branit red 2,4-dinitrophenulhudrazone whep reached with 2.4 dinitrophenylbyde an unknown solid compound gone a Meting point of 123-130°C an incrown compound...
2. . An unknown, non-branched saturated hydrocarbon has the mass spectrum s below. What is the...
2. . An unknown, non-branched saturated hydrocarbon has the mass spectrum s below. What is the structure of the unknown hydrocarbon? 100) 3. "19 127 141 158 189 188 107 211 225 241 20 40 60 80 100 120 140 160 180 200 220 240 An unknown compound with formula C H100, RVO negative tent with 2.4 dinitrophenylhydrazine; however, the unknown tested positive with the Jones reagent. When added to a solution of bromine dissolved in methylene, the reddin solution...
13. What can you say about an unknown compound that gave a pouldve test with 2...
13. What can you say about an unknown compound that gave a pouldve test with 2 hydrazine and a positive test with the Jones Reseat? now compound that gave a pouldve test with 2,4-dinitrophenyl 14 What can you say about sa unknown compound when dissolved in distilled water and tested with peper, pave an estimated pH of about 81. 15. What can you say about an unknown compound that turned a wet plece al blue litmus red? 16. What can...
15. An unknown compound has a chemical formula of C,H,O. When chromic acid (containing chromate ions)...
15. An unknown compound has a chemical formula of C,H,O. When chromic acid (containing chromate ions) was added to the unknown, the solution remained orange. The unknown was soluble in water. When NaOH and Kl/iodine were added to the unknown, a yellow precipitate formed. What is the structure of the unknown compound? 16. Would you expect 2-octanone to be soluble in water? Would you expect butanal to be soluble in water? Would either of them be more soluble in hexane...
Student XXX-XX unknown liquid compound bumed with a sooty flame. The unknown gave an orange precipit with 2,4-dinitrophenylhydrazine, and nega positive iodoform test. The infrared spectrum of the compound revealed a strong absorption near 1700 cm. The mass spectrum of the compound is shown below. What is the name and structure of this unknown compound, and what is the nature of the strong absorption near 1700 em? tive Schiff's and Tollens tests. The uaknown also gave a 100 50 120...
1. Part 2 white complete structures for the major product(s) resulting from the following reactions. Ao Propanal + 2,4-dinitrophenylhydrazine --- 2-hexanol + ZnCl2 + HCI ----.. . . isopropyl alcohol + CrO3/H2S04 --- 1-butene + Br2/CH2Cl2 → In the space below, draw structures for the following: a. Bromobenzene b. Butanal Acetophenone Benzaldehyde e. Aniline 3. The following observations are frequently made in the laboratory. In each case below state in The following cheer brief terms, the deduction or deductions which...
The **C NMR and mass spectrum of an unknown compound is shown below. The unknown gave an immediate precipitate when treated with 2,4- dinitrophenylhydrazine. When treated with the iodoform reagent, the unknown gara yellow precipitate. a. What is the structure of the unknown? What is the structure of the yellow precipitate that resulted when the compo was treated with the iodoform reagent? ita wi o mo 40 50 60 ther than ito 70 80 90 100 110 120 130 140...
qucntly mode on or deductions which Tc of the compound The following Observations are frequeno in the lab. In tach case below state in belicf terms, the deduction or deducto merdes made as to the nature of the Thear study The mass spectrum of an unknown Compound Berealed on Mt fragment at m/2=121 go un nown Compound produced a branit red 2,4-dinitrophenulhudrazone whep reached with 2.4 dinitrophenylbyde an unknown solid compound gone a Meting point of 123-130°C an incrown compound...
2. . An unknown, non-branched saturated hydrocarbon has the mass spectrum s below. What is the structure of the unknown hydrocarbon? 100) 3. "19 127 141 158 189 188 107 211 225 241 20 40 60 80 100 120 140 160 180 200 220 240 An unknown compound with formula C H100, RVO negative tent with 2.4 dinitrophenylhydrazine; however, the unknown tested positive with the Jones reagent. When added to a solution of bromine dissolved in methylene, the reddin solution...
13. What can you say about an unknown compound that gave a pouldve test with 2 hydrazine and a positive test with the Jones Reseat? now compound that gave a pouldve test with 2,4-dinitrophenyl 14 What can you say about sa unknown compound when dissolved in distilled water and tested with peper, pave an estimated pH of about 81. 15. What can you say about an unknown compound that turned a wet plece al blue litmus red? 16. What can...
15. An unknown compound has a chemical formula of C,H,O. When chromic acid (containing chromate ions) was added to the unknown, the solution remained orange. The unknown was soluble in water. When NaOH and Kl/iodine were added to the unknown, a yellow precipitate formed. What is the structure of the unknown compound? 16. Would you expect 2-octanone to be soluble in water? Would you expect butanal to be soluble in water? Would either of them be more soluble in hexane...
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