Provide a Brief Explanation, Based on Features of the Molecules

question 83

Essay

Provide a brief explanation, based on features of the molecules, for the following trend in pK_a values?
CH₃OH > CH₃NH₂ > CH₃CH₃
16 38 51

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Definitions:

Fovea

A small depression in the retina where visual acuity is highest, due to the high density of cones (photoreceptor cells responsible for color vision).

Opponent-process Theory

A psychological and neurological model that explains a wide range of behaviors, including color vision and emotions, by proposing that elements are usually paired and oppose each other.

Negative Afterimages

Visual illusions that occur after looking at a brightly lit stimulus, resulting in seeing a reversed color (negative) image when the eyes focus on a neutral background.

Trichromatic Theory

A theory of color vision proposing that the human eye has three types of receptors with differing sensitivities to different light wavelengths, corresponding to red, green, and blue colors.