Quantitative Chemical Analysis
Quantitative Chemical Analysis
9th Edition
ISBN: 9781464135385
Author: Daniel C. Harris
Publisher: W. H. Freeman
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Chapter 25, Problem 25.28P
Interpretation Introduction

Interpretation:

The difference between extra-column volume and dwell volume has to be given and how these volumes affect a chromatogram has to be explained.

Concept Introduction:

Laboratory technique used for separation of components in a mixture is known as chromatography.  The graph obtained is known as chromatogram.  In chromatography, two phases are present, namely a mobile phase and a stationery phase.  Mobile phase is the one in which the mixture was dissolved.

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2) For each of the following reactions: (i) (ii) Fill in the missing reactant, reagent, or product (s), indicating stereochemistry where appropriate using dashed and wedged bonds. If the reaction forms a racemic mixture, draw both structures in the box and write the word "racemic". (a) (b) 1) R₂BH 2) H₂O2, NaOH (aq) HBr Br racemic Br + Br Br racemic
For each of the following reactions:  Fill in the missing reactant, reagent, or product (s), indicating stereochemistry where appropriate using dashed and wedged bonds. If the reaction forms a racemic mixture, draw both structures in the box and write the word “racemic”.
1) Draw the correct chemical structure (using line-angle drawings / "line structures") from their given IUPAC name: a. hept-3-yne b. 5-bromo-1-fluoro-4-methylpent-2-yne
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