Instructions: Choose One Answer from Each Pair of Selections

question 43

Short Answer

Instructions: Choose one answer from each pair of selections. If the air pressure were to increase, the height of the column in a mercury barometer would INCREASE | DECREASE.

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Definitions:

Phenol

An aromatic organic compound with a hydroxyl group (-OH) attached to a phenyl ring, used in the manufacture of plastics and pharmaceuticals.

Acidic

Characterized by a low pH and the ability to donate protons or accept electron pairs during chemical reactions.

Approximate Pka

An estimated value describing the acidity of a compound, specifically the logarithmic measure of its acid dissociation constant.

Step-By-Step Mechanism

Detailed sequence of steps and intermediate species involved in the overall course of a chemical reaction, highlighting how reactants transform into products.