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Solvating Effects

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An understanding of the solvating effect helps rationalize the relation between solvation and acidity of the compound. In addition, this also explains the relative stability of conjugate bases for compounds with different pKa values. This lesson details, in-depth, the principle of solvating effects. The strength of an acid and the stability of its corresponding conjugate base are determined using pKa values. This observed relationship is a consequence of solvation, which is the interaction...

Physical Properties of Alcohols and Phenols

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Related Experiment Video

Updated: Jul 22, 2026

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Published on: February 6, 2019

Alcohol concentration and the ability to form intent.

B Levine¹, J M Titus, K A Moore

¹Office of the Chief Medical Examiner, State of Maryland, Baltimore 21201, USA.

Science & Justice : Journal of the Forensic Science Society

|May 12, 2006

Summary

This study found that a high blood ethanol concentration (BAC) alone does not prove criminal intent. Even with elevated BAC levels, other factors are crucial for determining an individual's capability to form intent.

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Area of Science:

Forensic Toxicology
Criminal Law
Psychiatry

Background:

Determining criminal intent is complex, especially when individuals have consumed ethanol or other drugs.
Assessing the influence of intoxication on an individual's mental state is critical in legal proceedings.

Purpose of the Study:

To investigate if a blood ethanol concentration (BAC) alone is sufficient to establish intent in criminal cases.
To analyze cases involving suicide with a note and the presence of ethanol.

Main Methods:

Reviewed cases from the Office of the Chief Medical Examiner, State of Maryland over two years.
Identified cases of suicide with a note, presence of ethanol, and absence of other psychoactive drugs.
Analyzed blood ethanol concentrations (BACs) in these selected cases.

Main Results:

Blood ethanol concentrations (BACs) ranged from 0.01 to 0.37 g/dL.
The average BAC was 0.14 g/dL, and the median BAC was 0.13 g/dL.
37 cases were analyzed, with 25 having a BAC greater than 0.08 g/dL.

Conclusions:

A blood ethanol concentration (BAC) alone is insufficient to determine an individual's capability to form intent.
Legal and forensic evaluations require a comprehensive assessment beyond just BAC levels.