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(a)
Interpretation:
The chiral carbon(s) in naproxen needs to be determined.
Concept introduction:
For the carbon atom to be chiral, it must be connected to four different atoms or group of atoms.
The point about which compound is non-superimposable on it mirror image is known as chiral centre.
(b)
Interpretation:
Whether naproxen is aromatic or not should be discussed.
Concept introduction:
The compound or molecule is aromatic when:
- It is planar.
- It is cyclic.
- Resonance must be present all over the ring.
- According to Huckel rule, the compound is known as aromatic if it has (4n+2)( electrons.
(c)
Interpretation:
The resonance structure of naproxen is to be drawn.
Concept introduction:
Resonance shows the delocalization of ( electrons in compounds. It is a method which describes the bonding in molecules with the help of various contributing structures known as resonance structures.
(d)
Interpretation:
The sites which can exhibit hydrogen bonding with receptor site is to be circled,
Concept introduction:
Hydrogen bonding is defined as the electrostatic force of attraction between very electronegative atoms (O, F, and N) and hydrogen atoms. It is of two types:
- Inter-molecular hydrogen bonding,
- Intra-molecular hydrogen bonding.
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Chapter 23 Solutions
EBK CHEMISTRY
- When the conjugate acid of aniline, C6H5NH3+, reacts with the acetate ion, the following reaction takes place: C6H5NH3+(aq)+CH3COO(aq)C6H5NH2(aq)+CH3COOH(aq) If Kafor C6H5NH3+ is 1.35105 and Kafor CH3COOH is 1.86105 , what is K for the reaction?arrow_forwardDraw the structure of a compound of molecular formula C 9H 11NO that contains a benzene ring and a: (a) 1 ° amide; (b) 2 ° amide; (c) 3 ° amide.arrow_forward(a) Draw the structures for the eight constitutional isomers of molecular formula C 4H 11N. (b) Give the systematic name for each amine. (c) Identify the chirality center present in one of the amines.arrow_forward
- Indicate whether each statement is true or false: (a) Fat molecules contain amide bonds. (b) Phosphoplipids can be zwitterions. (c) Phospholipids form bilayers in water in order to have their long hydrophobic tails interact favorably with each other, leaving their polar heads to the aqueous environment.arrow_forwardThe fact that sweet-tasting carbohydrates like table sugar are also high in calories has prompted the development of sweet, low-calorie alternatives. (a) Identify the functional groups in aspartame, the artificial sweetener in Equal. (b) Label all of the sites that can hydrogen bond to the oxygen atom of water.arrow_forwardWhich compound(s) can hydrogen bond to another molecule like itself? Which compounds can hydrogen bond to water? (a) CH 3CONHCH 3; (b) HCON(CH 3) 2.arrow_forward
- Bile salts are derivative of cholestrol. However, the solubilities of these compounds in water are drastically different; cholestrol is highly hydrophobic, and the bile salts are soluble in digestive juices. Explain the differences.arrow_forwardThe fact that sweet-tasting carbohydrates like table sugar are also high in calories has prompted the development of sweet, low-calorie alternatives. (a) Identify the functional groups in aspartame, the artificial sweetener in Equal. (b) Label all of the sites that can hydrogen bond to the oxygen atom of water. (c) Label all of the sites that can hydrogen bond to a hydrogen atom of water.arrow_forwardTRUE OR FALSE (a) There are three amines with the molecular formula C3H9N. (b) Aldehydes, ketones, carboxylic acids, and esters all contain a carbonyl group. (c) A compound with the molecular formula of C3H6O may be either an aldehyde, a ketone, or a carboxylic acid. (d) Bond angles about the carbonyl carbon of an aldehyde, a ketone, a carboxylic acid, and an ester are all approximately 109.5°. (e) The molecular formula of the smallest aldehyde is C3H6O, and that of the smallest ketone is also C3H6O. (f) The molecular formula of the smallest carboxylic acid is C2H4O2.arrow_forward
- 2. Draw structures corresponding to the following names: (a) 2,3-Dimethylhexanoic acid (b) 4-Methylpentanoic acid (c) o-Hydroxybenzoic acid (d) trans-Cyclobutane-1,2-dicarboxylic acidarrow_forward(i) Draw the structure of any amine and give the IUPAC name of that amine. (1) Classify the amine in your answer provided in (i) above (iii) Draw the structure of ethyl butanoate and name the functional group. (iv) Give the IUPAC name of the following compound and name the functional group:arrow_forward(a) Draw the structures of ammonia and urea.(b) Write the reaction showing ammonia acting as a base in water.(c) Write a reaction showing the formation of carbamoyl phosphate from ammonia, carbon dioxide, and any other reactants.(d) Draw the structures of ornithine and lysine. Explain how they are different. (e) Draw the structure of the compound formed when ornithine reacts with carbamoyl phosphate. (f) Write the transamination reaction of alanine with alpha-ketoglutarate. Name the products that are formed.arrow_forward
- Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning
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