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(a)
Interpretation:
The reason as to why the structure is ruled out is to be stated.
Concept introduction:
Nuclear magnetic resonance is a type of spectroscopy in which number of different kind of protons present in different environment can be detected. The
(b)
Interpretation:
The reason as to why the structure is ruled out is to be stated.
Concept introduction:
Nuclear magnetic resonance is a type of spectroscopy in which number of different kind of protons present in different environment can be detected. The
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Chapter 13 Solutions
EBK ORGANIC CHEMISTRY
- Answer ALL parts of this question. (a) Using resonance structures, discuss the following statement; phenols are much stronger acids than aliphatic alcohols. (b) Give the structure of a stronger organic acid than phenol. (c) Rationalise the acidity of the latter organic acid by drawing two resonance structures of the conjugate base. (d) Eugenol is a natural product derived from the dried flower buds of the evergreen tree, Eugenia aromatica. Briefly describe a procedure with reagents required to extract eugenol as a single component from the mixture of compounds present in these flower buds. OH LOCH 3 eugenolarrow_forwardKindly answer only item no. 13.5 (b). Thank You.arrow_forwardWhich of (a)-(d) is not aromatic? (B) (A) (C) (D)arrow_forward
- 2. (a) Provide the IUPAC name for the following molecules (A) to (C). In your answer, include a description of how the name was derived. Te (A) (8) (D) (b) Consider the three compounds, (D), (E), and (F) below. مام (E) (C) (F) -OH (i) State the hybridization of all the carbon atoms in compound (F). (ii) With the aid of diagrams, explain how (D) and (E) are stabilised, and explain why (F) is the least stable carbocation.arrow_forwardonly answer (vii) (viii) (b) thank youarrow_forward(b) Classify the following alcohols in order of increasing ease of acid-catalyzed dehydration.Justify your answers.arrow_forward
- (a) Discuss the aromaticity of a six membered heterocyclic compound which is weak base in nature.arrow_forward(b) Distinguish each as aromatic or antiaromatic in terms of electronic basis. Explain which one is more stable. (i) Compound A Compound B (ii) Compound C Compound D (iii) Compound E Compound Farrow_forwardWhich molecule is expected to show aromatic behavior (the true geometries are flexible)? (a) (b) (c) (d)arrow_forward
- If either of the following molecules has a stereogenic carbon (chirality center), give structures for both of the enantiomers. (a) 2-bromopropane (b) 2-bromobutanearrow_forwardAnswer ALL parts of this question. The structure shown below is that of the E-isomer of tripolidine, an antihistamine (the E-isomer is more active than the Z-isomer in this capacity): (a) (b) H3C- oto Explain how the Cahn Ingold Prelog sequence rules can be used to rank groups in order of priority, using the four groups attached to the C=C double bond in tripolidine as illustrations. Based on the order of priority of the four groups determined in part (a) of this question, explain why the isomer of tripolidine shown above is defined as the E-isomer. (c) In general terms, explain why this isomer might have different effects in the human body from its geometric isomer.arrow_forwardНас 3. (5S,7R) -7-bromo-3,9-diethyl-6,6-dimethylundec-3,8-dien-5-ol H C Н.С Ay statuvos OH CH3 Ay si Br Н CH3 CH3 I b. number of peaks = С.arrow_forward
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