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Concept explainers
(a)
Interpretation:
The structure of a wax formed from 30-carbon straight-chain alcohol and lauric acid should be drawn.
Concept Introduction:
Waxes are esters formed by reacting a fatty acid and a high molecular weight alcohol. Because of the large nonpolar portion of waxes, they are very hydrophobic. Therefore, waxes can be used as water repellent coating.
(b)
Interpretation:
The structure of a wax formed from 30-carbon straight-chain alcohol and myristic acid should be drawn.
Concept Introduction:
Waxes are esters formed by reacting a fatty acid and a high molecular weight alcohol. Because of the large nonpolar portion of waxes, they are very hydrophobic. Therefore, waxes can be used as water repellent coating.
(c)
Interpretation:
The structure of a wax formed from 30-carbon straight-chain alcohol and CH3(CH2)22COOH should be drawn.
Concept Introduction:
Waxes are esters formed by reacting a fatty acid and a high molecular weight alcohol. Because of the large nonpolar portion of waxes, they are very hydrophobic. Therefore, waxes can be used as water repellent coating.
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Chapter 19 Solutions
EBK GENERAL, ORGANIC, & BIOLOGICAL CHEM
- 14) A wax is an ester formed from a long-chain carboxylic acid and a long-chain alcohol. Show how a wax can be made by using CH3(CH2)15OH as the only organic starting material. CH3(CH₂)15OH 1. H₂CRO4 2. SOCI₂ 3. CH3(CH₂)15OHarrow_forwardb) Ph NaOH heat, dehydration (CH3)3CCHO KOH heat, dehydration NaOH heat,dehydrationarrow_forwardDraw a structure for a lactone with 5 carbonsarrow_forward
- Identify which substance is oxidized and which is reduced in the following reaction. OH H2 cyclohexanone cyclohexanol Oxidized: cyclohexanone Reduced: cyclohexanolarrow_forwardWhich is most soluble in water? Explain. Draw a molecule showing how it interacts with water molecules. cis-2-pentene 1-butanol butanonearrow_forwardIn the empty box, provide appropriate reagents and reaction conditions necessary to convert Salicylic Acid to Aspirin. HO 2 OH Salicylic Acid OH Aspirinarrow_forward
- Draw the condensed structural formula or skeletal formula, if cyclic, for the alcohol needed to give each of the following oxidation products: || а. Н—С—Н b.arrow_forwardWhat are combined to make a biological wax? OAA long chain alcohol and a long chain amine BỊAlông chain carboxylic acid and a long chain alcohol CITW long chain alcohols ODI Two long chain fatty acids E) A long chain amine and a long chain carboxylic acidarrow_forwardWhich is NOT a physical property of alcohols or phenols? O Phenols are generally only slightly soluble in water. O The hydroxyl group of an alcohol is nonpolar. The solubilities of normal primary alcohols in water decrease with increasing molecular weight. Boiling points of normal primary alcohols increase with increasing molecular weight.arrow_forward
- Reactions (chemical equation) of test samples with Tollen's reagent: Cyclohexanone Acetone Benzaldehyde Glucose Fructosearrow_forwardWhich of the following alcohols cannot be oxidized using bleach (NaOCl)? Which of the following alcohols would be converted into a carboxylic acid if reacted with a strong oxidant, such as NaOCl?arrow_forward10 Jlgw What are the functional groups present in Aspirin which has the following structural formula aule ulao ut الدرجة من 1 C-OH lio ple P السؤال 0-C-CH3 alcohol , ketone and ether .a O carboxylic acid and ester .b O carboxylic acid , ether and ketone .c C aldehyde and ketone .dOarrow_forward
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