Concept explainers
(a)
Interpretation:
Conjugated organic molecules has to be ranked based on decreasing
Concept introduction:
Conjugation on
HOMO-LUMO: In a
Auxochrome: When the molecule attached to a chromophores group the both
(b)
Interpretation:
Conjugated organic molecules has to be ranked based on decreasing
Concept introduction:
UV/vis spectroscopy: It is deal with information about various compounds that have conjugated double, the UV light and visible light have jest the right energy to cause an electronic transition in a molecule that is to promote an electron from one molecular orbital to another higher energy.
Conjugation on
HOMO-LUMO: In a
Auxochrome: When the molecule attached to a chromophores group the both
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Organic Chemistry - MasteringChemistry
- Order the compounds below from least to most thermodynamically stable (relative to their constituent elements) at 25oC. name formula △Gof(kJmol) dichloromethane CH2Cl2(l) -63.2 hydrazine N2H4(l) +149.4 hydrogen peroxide H2O2(l) -120.4 (least stable) < < (most stable)arrow_forwardAssign priorities to the groups in each set. (a) CH2OH and CH2CH2OH (b) CH2OH and CH=CH2 (c) CH2OH and C(CH3)3arrow_forwardAssign the order of priority and indicate whether it is R or Sarrow_forward
- ( what is the answer -46.48 or + 46.48 kj plz tell i m confusedarrow_forwardAssign a priority order (from least to highest priority) to each of the folliowing sets of groups: I. -CH(CH3)2 II. -CH3 III. -H IV. -NH2 A. III, IV, II, I B. IV, I, III, II C. III, II, IV, I D. III, II, I, IVarrow_forwardThe shrub ma huang (Section 5.4A) contains two biologically active stereoisomers—ephedrine and pseudoephedrine—with two stereogenic centers as shown in the given structure. Ephedrine is one component of a once-popular combination drug used by body builders to increase energy and alertness, whereas pseudoephedrine is a nasal decongestant. a.Draw the structure of naturally occurring (−)-ephedrine, which has the 1R,2S configuration. b.Draw the structure of naturally occurring (+)-pseudoephedrine, which has the 1S,2S configuration. c.How are ephedrine and pseudoephedrine related? d.Draw all other stereoisomers of (−)-ephedrine and (+)pseudoephedrine, and give the R,S designation for all stereogenic centers. e.How is each compound drawn in part (d) related to (−)-ephedrine?arrow_forward
- 1.What molecular orbital react to form cyclohexene? 2.Draw the electrocyclic product and indicate if the substituents are cis- or con-rotary Darrow_forwardRank the following groups in order of decreasing priority. a. – COOH, – H, – NH2, – OH b. – H, – CH3, – Cl, – CH2CI c. -CH2CH3, -CH3, -H, -CH(CH3)2 d. – CH = CH2, – CH3, – C ≡ CH, – Harrow_forwardAssign E or S configuration to each of the following compounds: a. b. c. d.arrow_forward
- Assign E or Z configuration to each of the following compounds: a. b. c. d.arrow_forwardRank the given compounds in increasing order based on the property. (1 = lowest)arrow_forwardDraw the structure of the two tertiary (3°) amines with molecular formula C6H15N that contain a group with 3 carbon atoms in the largest group. You do not have to consider stereochemistry. You do not have to explicitly draw H atoms.arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning