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Concept explainers
(a)
Interpretation:The family (functional group) present in the given compound has to be written.
The given compound is,
Concept Introduction :
In carboxylic acid, the second oxygen atom is linked to a hydrogen atom.
The general formula for carboxylic acid is
(a)
![Check Mark](/static/check-mark.png)
Answer to Problem 72A
The given compound belongs to the family of carboxylic acid.
Explanation of Solution
The given compound is,
The compound 3-phenylpropanoic acid is acarboxylic acid.
In carboxylic acid, the second oxygen atom is bonded to a hydrogen atom.
The presence of carboxylic acid is identified by the presence of carboxyl group attached to the hydrocarbon chain.
The given compound belongs to the family of carboxylic acid.
(b)
Interpretation:The family (functional group) present in the given compound has to be written.
The given compound is,
Concept Introduction:
In ketones, the carbonyl group is bond to two carbon atoms. The general formula of a ketone is
In a ketone, the carbonyl group is not present at the end of the hydrocarbon chain.
(b)
![Check Mark](/static/check-mark.png)
Answer to Problem 72A
The given compound belongs to the family of ketones.
Explanation of Solution
(c)
Interpretation:The family (functional group) present in the given compound has to be written.
The given compound is,
Concept IntroductionEsters are carboxylic acid derivatives. The carbonyl group of the ester is polar. The general structure of ester is,
In an ester, the second oxygen atom is linked to another carbon atom.
The general formula for ester is
(c)
![Check Mark](/static/check-mark.png)
Answer to Problem 72A
The given compound belongs to the family of esters.
Explanation of Solution
The given compound is,
The compound phenethyl propanoate is an ester.
Esters are carboxylic acid derivatives. The carbonyl group of the ester is polar and can participate in dipole-dipole attractions.
In an ester, the second oxygen atom is bonded to another carbon atom.
The general formula for ester is
The compounds shows the presence two different alkyl groups bonded to carbonyl carbon.
The given compound belongs to the family of esters.
(d)
Interpretation:The family (functional group) present in the given compound has to be written.
The given compound is,
Concept Introduction:Organic compounds that contain a hydroxyl group that is covalently bonded to a carbon atom. Alcohols are classified into,
- Primary alcohol: One organic group attached to hydroxyl atom.
- Secondary alcohol: Two organic groups bonded to hydroxyl atom.
- Tertiary alcohol: Three organic groups bonded to hydroxyl atom.
The general formula for alcohol is,
Primary alcohol:
Secondary alcohol:
Tertiary alcohol:
(d)
![Check Mark](/static/check-mark.png)
Answer to Problem 72A
The given compound belongs to the family of alcohols.
Explanation of Solution
The given compound is,
The compound 2-ethylphenol is an alcohol.
The compound shows the presence of hydroxyl functional group and thus, it belongs to class of alcohols.
Chapter 20 Solutions
World of Chemistry, 3rd edition
- Part VII. Below are the 'HNMR, 13 C-NMR, COSY 2D- NMR, and HSQC 2D-NMR (similar with HETCOR but axes are reversed) spectra of an organic compound with molecular formula C6H1003 - Assign chemical shift values to the H and c atoms of the compound. Find the structure. Show complete solutions. Predicted 1H NMR Spectrum 4.7 4.6 4.5 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 f1 (ppm) Predicted 13C NMR Spectrum 100 f1 (ppm) 30 220 210 200 190 180 170 160 150 140 130 120 110 90 80 70 -26 60 50 40 46 30 20 115 10 1.0 0.9 0.8 0 -10arrow_forwardQ: Arrange BCC and Fec metals, in sequence from the Fable (Dr. R's slides) and Calculate Volume and Density. Aa BCC V 52 5 SFCCarrow_forwardNonearrow_forward
- The emission data in cps displayed in Table 1 is reported to two decimal places by the chemist. However, the instrument output is shown in Table 2. Table 2. Iron emission from ICP-AES Sample Blank Standard Emission, cps 579.503252562 9308340.13122 Unknown Sample 343.232365741 Did the chemist make the correct choice in how they choose to display the data up in Table 1? Choose the best explanation from the choices below. No. Since the instrument calculates 12 digits for all values, they should all be kept and not truncated. Doing so would eliminate significant information. No. Since the instrument calculates 5 decimal places for the standard, all of the values should be limited to the same number. The other decimal places are not significant for the blank and unknown sample. Yes. The way Saman made the standards was limited by the 250-mL volumetric flask. This glassware can report values to 2 decimal places, and this establishes our number of significant figures. Yes. Instrumental data…arrow_forwardSteps and explanation pleasearrow_forwardSteps and explanation to undertand concepts.arrow_forward
- Nonearrow_forward7. Draw a curved arrow mechanism for the following reaction. HO cat. HCI OH in dioxane with 4A molecular sievesarrow_forwardTry: Convert the given 3D perspective structure to Newman projection about C2 - C3 bond (C2 carbon in the front). Also, show Newman projection of other possible staggered conformers and circle the most stable conformation. Use the template shown. F H3C Br Harrow_forward
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