Problems 1. Find the structures and melting points for the following compounds. a. Biphenyl b. p-Cresol trans-Stilbene C. 2. 1 using the Mel-Temp apparatus, describe how you would use the higher and lower settings of the Mel-Temp to accurately measure these melting points. 3. If the determined melting points are 2-5 °C below the literature melting points, what does this mean? 4. Explain the difference in boiling points (you will have to look these up) be- tween these different compounds with comparable molecular weights. OH OH
Problems 1. Find the structures and melting points for the following compounds. a. Biphenyl b. p-Cresol trans-Stilbene C. 2. 1 using the Mel-Temp apparatus, describe how you would use the higher and lower settings of the Mel-Temp to accurately measure these melting points. 3. If the determined melting points are 2-5 °C below the literature melting points, what does this mean? 4. Explain the difference in boiling points (you will have to look these up) be- tween these different compounds with comparable molecular weights. OH OH
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1. Find the structures and melting points for the following compounds.
a. Biphenyl
b. p-Cresol
C.
trans-Stilbene
2. If you had to measure the melting point of the compounds in Question 1
using the Mel-Temp apparatus, describe how you would use the higher and
lower settings of the Mel-Temp to accurately measure these melting points.
3. If the determined melting points are 2-5 °C below the literature melting
points, what does this mean?
4. Explain the difference in boiling points (you will have to look these up) be-
tween these different compounds with comparable molecular weights.
OH
. Look up:
and explain the boiling points in the fall
OH
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