Problem 76 of 80SubmitCurved arrows are used to illustrate the flowof electrons. Use the reaction conditionsprovided and follow the arrows to draw theresonance structure of the areniumintermediate formed.Include all lone pairs and charges asappropriate. Ignore inorganic byproducts.Br2FeBr3:CH3O:>☑ Problem 76 of 80SubmitHSelect to Draw:>:Br:CH3Version: 3.133.20 + 4998 productionQ

Answered: Image /qna-images/answer/0ef7bb1a-0f78-4c5d-8d8d-4fc54293ca32.jpg

Answered: Problem 76 of 80 Submit Curved arrows…

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter26: Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 26.30QAP

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7. Write defect equations for the following reactions: (a) MgO doped with Li₂O (b) Slight reduction of PrO₂ (c) TiO₂ doped with Ga₂03 (d) LaCoO3 doped with CaO (e) MgAl2O4 doped with V₂O3 to form Mg(Al2-xVx)204
None
The coloriesS supe atanliquid was so 11. How does the addition of H3O* affect the following reaction equilibrium? 2CrO42- (aq, yellow) + 2H3O* (aq) -> Cr2O7²- (aq, orange) + 3H2O (1) a. The reaction shifts to the right and the concentration of CrO42- increases. b. The reaction shifts to the right causing the concentration of Cr2072 to decreases and the solution to turns yellow. c. The reaction shifts to the right resulting in a reduction in the concentration of H3O* and an increase in the concentration of Cr2O,2. d. The reaction shifts to the left and the concentration of CrO42 increases. e. The reaction shifts to the left and the concentration of CrO42 decreases.
The correct IUPAC name for the compound [Co(NH,)CI,JBr is: Select one. O a bromotetraamminedichlorocobaltate(III) O b. dichlorotetramminecobalt(II) bromide O c. tetraamminedichlorocobalt(III) bromide O d. dichlorotetramminecobalt(1II) bromide
Give detailed Solution with explanation needed
Provide the appropriate reagent for the example
Give the structure of a, b, c, d and e in clear handwritten?
Question 27 Reaction below gave 3 isomers (o, p and m) of di substituted products in a ratio shown. HNO3 H₂SO4 -OCH3 3 isomers (o, p and m) = 5: 4: 1 respectively. PROVIDE THE FOLLOWING (i) a detailed stepwise mechanism to account for all the products, including the generation of the electrophile (ii) Clearly show the resonance structures for the sigma complex intermediates leading to each Isomer. (iii) Circle the most (or least) stable sigma complex leading to the 3 products. STRUCTIONS: count as zero.
Question 27 Reaction below gave 3 isomers (o, p and m) of di substituted products in a ratio shown. HNO3 H₂SO4 -OCH3 3 isomers (o, p and m) = 5: 4: 1 respectively. PROVIDE THE FOLLOWING (i) a detailed stepwise mechanism to account for all the products, including the generation of the electrophile (ii) Clearly show the resonance structures for the sigma complex intermediates leading to each Isomer. (iii) Circle the most (or least) stable sigma complex leading to the 3 products.
Answer part i ii
[o Consider the reaction scheme below. Me Me of 210 210 COMI20 OH Hola Holensal,d bus 9 (ii) Explain briefly the observed regioselectivity. Iviz gniw 11 toshsvo beiniinoo noitz9 H® (cat.) With reference to the following reaction scheme: [monqo 1250 901 ayawis luna no br Me NaBH4, Et₂O (i) Draw a curved arrow mechanism to explain the transformation of 9 into 10. of main Me 101 anoitiba Ho HO Me, O Me 10 100 10 Stone & arq tot abortom saogo atowens 1004 Viitzut vford bre ooort mott gnis2 H) osogor (1) Me Miel Me 12 * OH (i) Draw Newman projections for the two lowest energy conformations of ketone 11. (ii) Considering your answer to part (i), identify which is the most reactive conformation of 11 and explain your choice. (iii) Indicate the stereochemistry (at C*) of the major diastereoisomer of alcohol 12. Use appropriate strereochemical drawings to explain your answer.
22

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