ORGANIC CHEM W/BIOLOGICAL TOP. ACCESS
6th Edition
ISBN: 9781264382545
Author: SMITH
Publisher: MCG CUSTOM
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Chapter 29, Problem 42P
Draw a stepwise mechanism for the following conversion, which forms camphene. Camphene is a component of camphor and citronella oils.
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Ethyl butyrate, CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring.It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+): CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l). The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0% yield. How many grams would be produced from 8.50 gof butanoic acid and excess ethanol? Express your answer in grams to three significant figures.
Ethyl butyrate, CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring.It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+): CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l)
Given 8.50 g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100%yield? Express your answer in grams to three significant figures.
Ethyl butyrate, CH3CH2CH2CO2CH2CH3CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring.
It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+H+):
CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l)
Part A
Given 7.30 gg of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100%% yield?
Express your answer in grams to three significant figures.
Part B
A chemist ran the reaction and obtained 5.95 gg of ethyl butyrate. What was the percent yield?
Express your answer as a percent to three significant figures.
Part C
The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0%% yield. How many grams would be produced from 7.30 gg of…
Chapter 29 Solutions
ORGANIC CHEM W/BIOLOGICAL TOP. ACCESS
Ch. 29.2 - Problem 31.1
One component of jojoba oil is a wax...Ch. 29.3 - Problem 31.2
How would you expect the melting...Ch. 29.3 - Problem 31.3
Draw the products formed when...Ch. 29.3 - Problem 31.4
The main fatty acid component of the...Ch. 29.3 - Prob. 5PCh. 29.7 - Problem 31.10
Locate the isoprene units in each...Ch. 29.7 - Problem 31.11
Locate the isoprene units in...Ch. 29.7 - Problem 31.12
Write a stepwise mechanism for the...Ch. 29.7 - Prob. 14PCh. 29.8 - Prob. 15P
Ch. 29.8 - Prob. 16PCh. 29.8 - Prob. 17PCh. 29 - 31.17 Locate the isoprene units in each...Ch. 29 - Prob. 25PCh. 29 - Locate the isoprene units in each compound. a. e....Ch. 29 - 31.27 Classify each terpene and terpenoid in...Ch. 29 - Prob. 33PCh. 29 - Draw three-dimensional structures f or each...Ch. 29 - Prob. 37PCh. 29 - Prob. 38PCh. 29 - Prob. 39PCh. 29 - Prob. 40PCh. 29 - 31.38 Draw the products formed when cholesterol is...Ch. 29 - 31.39 Draw a stepwise mechanism for the following...Ch. 29 - 31.40 Draw a stepwise mechanism for the following...Ch. 29 - Prob. 44P
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- Ethyl butyrate, CH3CH2CH2CO2CH2CH3CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring. It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+H+): CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l) Given 8.45 gg of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100%% yield? Express your answer in grams to three significant figures. A chemist ran the reaction and obtained 5.50 gg of ethyl butyrate. What was the percent yield? Express your answer as a percent to three significant figures. The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0%% yield. How many grams would be produced from 8.45 gg of butanoic acid and excess…arrow_forwardDraw the pyrrole that would form in each of the following reactions. a) b) COOEt NH3 Ph cat HCI, heat NH2 cat HCI, heat c) 2 equiv NH2arrow_forwardDraw the organic products formed when attached allylic alcohol A is treated with following reagent. [1] PBr3; [2] LiAlH4; [3] H2Oarrow_forward
- Phenylethanol can be oxidised to phenylethanal or phenylethanoic acid, depending on the reagents used (both the alcohol and the aldehyde are of interest for their antimicrobial properties, while the acid is used to treat type II hyperammonemia): A (a) (b) (c) CoH,CH,CHO phenylethanal B C6H5CH₂CH₂OHC₂H₂CH₂CO₂H phenylethanol Suggest reagents (shown as A and B in the scheme above) that could be used to carry out the oxidation of the alcohol to the aldehyde and the acid, respectively. C6H5CH₂- Suggest two other syntheses of phenylethanoic acid, in each case indicating the starting materials and other reagents required, but not giving details of mechanism. One of your proposed syntheses must start with a compound which only contains seven carbon atoms (the acid product contains eight carbon atoms). phenylethanoic acid Phenylethanal can be converted to a hydrate in the presence of aqueous acid, though the position of equilibrium is very far to the left: H H+/H₂O OH C6H5CH₂-C-H OH Explain why…arrow_forwardLabel each of the following structures as a cyclic hemiacetal, hemiketal, acetal, ketal, or none of these: a. b. c.arrow_forwardWhat two functional groups react to form the following? a. A hemiacetal b. An acetal c. A ketal d. A hemiketalarrow_forward
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