Laboratory Techniques in Organic Chemistry
Laboratory Techniques in Organic Chemistry
4th Edition
ISBN: 9781464134227
Author: Jerry R. Mohrig, David Alberg, Gretchen Hofmeister, Paul F. Schatz, Christina Noring Hammond
Publisher: W. H. Freeman
Question
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Chapter 2, Problem 1Q
Interpretation Introduction

Interpretation:

Among low flammability, low toxicity, high boiling point and water solubility the one that attributes of more benign solvent should be determined

Concept introduction:

Solvents play an essential role in chemical processes not only to put reactants in contact with dissolution but also sometimes cause hazardous explosions. The chemical reactions or processes can be improved done by the replacement of the hazardous solvent with a benign solvent.Benign solvents are safer solvents and less hazardous for the environment.

Expert Solution & Answer
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Answer to Problem 1Q

Low toxicity and low flammability are the attributes of the benign solvent.

Explanation of Solution

The characteristics of the benign solvent are as follows:

  • A solvent that has a low flash point should not be used for chemical reactions because the solvents with a low flash point or high-flammability are prone to ignition at normal conditions. Therefore, the flammability of the solvent should be high.
  • The high toxicity of the solvent can cause many health problems and may lead to unconsciousness. Therefore, the solvent should be of low toxicity.
  • The high boiling point cannot be considered as the characteristic property because some best benign solvent has a moderate boiling point.
  • Water solubility cannot be considered as the characteristic property of the benign solvent as it varies.

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