Would cyclohexane be expected to react with bromine/CCl4 in a chemical test for unsaturation?
Homework Answers
Answer: Cyclohexane has no pi bond (i.e. no unsaturation) and therefore it is not nucleophilic. So, It does not react with bromine/CCl4 unless energy in the form of sunlight (hv) or heat is applied. If that happens then free-radical substitution reaction occurs.
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Would cyclohexane be expected to react with bromine/CCl4 in a
chemical test for unsaturation?
1. write a chemical equation for a possible light catalyzed substitution reaction of bromine with cyclohexane....
1. write a chemical equation for a possible light catalyzed substitution reaction of bromine with cyclohexane. Did you observe any evidence for this reaction? 2. The light catalyzed reaction of bromine with toluene leads to substitution of CH3--- group attached to the aromatic ring. a) write a chemical equation for this reaction. b) what was the purpose of the litmus paper test in this reaction? 3 summarize the observed reaction of cyclohexane, cyclohexane, and toluene with bromine, Describe a) the...
5. A common observation test to confirm the presence of an alkene (or unsaturation, in general) is the bromine test...
5. A common observation test to confirm the presence of an alkene (or unsaturation, in general) is the bromine test. a. What was the observation in the bromine test that allowed you to conclude an alkene was present? (3 pts.) b. Write the equation for the reaction between the major alkene produced and bromine. Be sure to show the correct stereochemistry in the product. (3 pts.) 6. A sample of 9.0 mL of cyclohexanol was mixed with 2.0 ml of...
9. Chlorine, bromine and iodine all react with alkenes such as ethene in an addition reaction....
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 name the product. (b) Explain why this is called an addition reaction. (c) Describe what you would see if you bubbled ethene through a solution of bromine in an organic solvent such as hexane. 10. If you use a permanganate test to distinguish between cyclohexane and cyclohexene, in which would the purple color of...
C. REACTION WITH BROMINE Hydrocarbon Observations of Bromine Addition Balanced Equation for Addition Reaction Cyclohexane CHI...
C. REACTION WITH BROMINE Hydrocarbon Observations of Bromine Addition Balanced Equation for Addition Reaction Cyclohexane CHI Cyclohexene CHIO Toluene C-Hs Unknown Hydrocarbon Positive test: the red from the bromine goes away Negative test: the red stays 3. Which classes of compounds cannot perform addition reactions? D. REACTION WITH POTASSIUM PERMANGANATE Hydrocarbon Observations of KMnO. Addition Balanced Equation for Oxidation Reaction Cyclohexane C6H12 Cyclohexene C.Hjo Toluene C Hs Unknown Hydrocarbon Positive test: purple color goes away and turns brown (two layers)...
1. Given the following structures that react by Sn1, which would react fastest and which would...
1. Given the following structures that react by Sn1, which would react fastest and which would react slowest. Give reasoning. 5-bromo-1,3-pentadiene, bromocyclopentane, (R)-2-bromo-2-methylhexane. 2.If bromocyclohexane reacts faster than chlorocyclohexane in an Sn2 reaction, what could be the reason? 3.You wish to substitute the bromine in the following molecules with a nucleophile. Explain whether the given molecule would react by Sn1 or Sn2 mechanism and explain why. 1-methyl-1-bromo-cyclohexane, 1-bromopropane, 2-bromohexane. 4. Why does benzyl bromide react under both Sn1 and Sn2...
Question 47 Which of the following compounds would be expected to react similarly in a chemical...
Question 47 Which of the following compounds would be expected to react similarly in a chemical reaction? IV O A. 1, II, and IV O B. 1 and INv CII and IV D l, ll, and IV OE. I and I
16. Which of the following would react the fastest with bromine (Br2) in water? NO2 Me...
16. Which of the following would react the fastest with bromine (Br2) in water? NO2 Me OMe NH2
Please answer 3 question Question 3 (1 point) If you pour water and cyclohexane in the...
Please answer 3 question
Question 3 (1 point) If you pour water and cyclohexane in the same test tube, what will happen? The chemicals will react to form cyclohexanol. The chemicals will mix completely. The water will float on top of the cyclohexane. The cyclohexane will float on top of the water. Question 4 (1 point) A student carried out the procedure in this lab and found an orange color formed in the cyclohexane. What is that evidence of? The...
C. Bromine Test for Unsaturation 2. Saturated/Unsaturated 1. Color fades rapidly/persists Fatty acids Stearic acid Oleic...
C. Bromine Test for Unsaturation 2. Saturated/Unsaturated 1. Color fades rapidly/persists Fatty acids Stearic acid Oleic acid Triacylglycerols Safflower oil Olive oil Questions and Problems Q3 a. Draw the condensed structural formulas of stearic acid and oleic acid. Stearic acid Oleic acid b. From the results of Part C, which is more unsaturated: oleic acid or stearic a Explain your reason. From the results of Part C, were safflower oil and olive oil saturated or un rated? Explain your reason.
___ 13. Which reagent would best serve as the basis for a simple chemical test to...
___ 13. Which reagent would best serve as the basis for a simple chemical test to distinguish between CH3CHO and CH3COCH3? A) NaOI (I2 in NaOH) B) Br2/CCl4 C) C6H5NHNH2 D) NaHCO3/H2O E) Ag(NH3)2+
5. A common observation test to confirm the presence of an alkene (or unsaturation, in general) is the bromine test. a. What was the observation in the bromine test that allowed you to conclude an alkene was present? (3 pts.) b. Write the equation for the reaction between the major alkene produced and bromine. Be sure to show the correct stereochemistry in the product. (3 pts.) 6. A sample of 9.0 mL of cyclohexanol was mixed with 2.0 ml of...
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 name the product. (b) Explain why this is called an addition reaction. (c) Describe what you would see if you bubbled ethene through a solution of bromine in an organic solvent such as hexane. 10. If you use a permanganate test to distinguish between cyclohexane and cyclohexene, in which would the purple color of...
C. REACTION WITH BROMINE Hydrocarbon Observations of Bromine Addition Balanced Equation for Addition Reaction Cyclohexane CHI Cyclohexene CHIO Toluene C-Hs Unknown Hydrocarbon Positive test: the red from the bromine goes away Negative test: the red stays 3. Which classes of compounds cannot perform addition reactions? D. REACTION WITH POTASSIUM PERMANGANATE Hydrocarbon Observations of KMnO. Addition Balanced Equation for Oxidation Reaction Cyclohexane C6H12 Cyclohexene C.Hjo Toluene C Hs Unknown Hydrocarbon Positive test: purple color goes away and turns brown (two layers)...
Question 47 Which of the following compounds would be expected to react similarly in a chemical reaction? IV O A. 1, II, and IV O B. 1 and INv CII and IV D l, ll, and IV OE. I and I
16. Which of the following would react the fastest with bromine (Br2) in water? NO2 Me OMe NH2
Please answer 3 question
Question 3 (1 point) If you pour water and cyclohexane in the same test tube, what will happen? The chemicals will react to form cyclohexanol. The chemicals will mix completely. The water will float on top of the cyclohexane. The cyclohexane will float on top of the water. Question 4 (1 point) A student carried out the procedure in this lab and found an orange color formed in the cyclohexane. What is that evidence of? The...
C. Bromine Test for Unsaturation 2. Saturated/Unsaturated 1. Color fades rapidly/persists Fatty acids Stearic acid Oleic acid Triacylglycerols Safflower oil Olive oil Questions and Problems Q3 a. Draw the condensed structural formulas of stearic acid and oleic acid. Stearic acid Oleic acid b. From the results of Part C, which is more unsaturated: oleic acid or stearic a Explain your reason. From the results of Part C, were safflower oil and olive oil saturated or un rated? Explain your reason.
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