Nursing Entrance Exam Practice Test 2025 – Complete Prep Resource

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Which atom arrangement is characteristic of all alcohols?

C=O

C-OH

The characteristic arrangement for all alcohols is the presence of a hydroxyl group, which is represented as C-OH. This functional group consists of a carbon atom (C) bonded to an oxygen atom (O), which in turn is bonded to a hydrogen atom (H). This arrangement is essential because it defines the chemical behavior of alcohols, influencing their solubility, reactivity, and interactions with other molecules.

Alcohols are primarily recognized by their ability to form hydrogen bonds due to this hydroxyl group, which significantly affects their physical properties, such as boiling points and solubility in water. The presence of C-OH is what differentiates alcohols from other organic compounds that do not contain this particular functional group. Therefore, identifying the presence of this arrangement is key to understanding the chemistry of alcohols.

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C-O-C

C=C

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