Organic Chemistry Plus Masteringchemistry With Pearson Etext, Global Edition
Organic Chemistry Plus Masteringchemistry With Pearson Etext, Global Edition
9th Edition
ISBN: 9781292151229
Author: Wade, LeRoy G.
Publisher: PEARSON
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Chapter 15, Problem 15.28SP

A solution was prepared using 0.0010 g of an unknown steroid (of molecular weight around 255) in 100 mL of ethanol. Some of this solution was placed in a 1-cm cell, and the UV spectrum was measured. This solution was found to have λmax=235nm, with A=0.74.

  1. a. Compute the value of the molar absorptivity at 235 nm.
  2. b. Which of the following compounds might give this spectrum?

Chapter 15, Problem 15.28SP, A solution was prepared using 0.0010 g of an unknown steroid (of molecular weight around 255) in 100

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Please answer the question and provide a detailed drawing of the structure. If there will not be a new C – C bond, then the box under the drawing area will be checked.  Will the following reaction make a molecule with a new C – C bond as its major product:  Draw the major organic product or products, if the reaction will work. Be sure you use wedge and dash bonds if necessary, for example to distinguish between major products with different stereochemistry.
Please do not use AI.  AI cannot "see" the molecules properly, and it therefore gives the wrong answer while giving incorrect descriptions of the visual images we're looking at.  All of these compounds would be produced (I think).  In my book, I don't see any rules about yield in this case, like explaining that one product would be present in less yield for this reason or that reason.  Please explain why some of these produce less yield than others.

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