Experimental Organic Chemistry: A Miniscale & Microscale Approach (Cengage Learning Laboratory Series for Organic Chemistry)
Experimental Organic Chemistry: A Miniscale & Microscale Approach (Cengage Learning Laboratory Series for Organic Chemistry)
6th Edition
ISBN: 9781305080461
Author: John C. Gilbert, Stephen F. Martin
Publisher: Brooks Cole
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Chapter 4.2, Problem 8E
Interpretation Introduction

Interpretation: Reason for no application of micro boiling-point technique in excess of 200 °C if mineral oil is used as fluid than silicone oil in Thiele tube should be determined.

Concept introduction: Boiling point is defined as temperature that has a vapor pressure of liquid equal to the pressure that is present around liquid. At this temperature, the substance gets converted from the liquid state to vapor or gaseous phase.

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Consider the following scenario: a small amount of a solid got into a sample when preparing the capillary tube to determine its melting point. The student decided to take the melting point anyway. The student observes the following: (a) a sharp melting point (<2oC); (b) a melting point that closely matches the literature reported value. Which of the following conclusions will not be justified by the experimental results. The solid was a soluble impurity in the liquid phase. The solid was an insoluble impurity in the liquid phase. The solid was a sample of the same compound.
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