Which of the Following Compounds Has the Lowest PK_a

question 11

Multiple Choice

Which of the following compounds has the lowest pK_a?

• A) H₂O
• B) HBr
• C) NH₃
• D) CH₄

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Definitions:

Ash Blanketing

Ash blanketing refers to the deposition of volcanic ash over the surface during a volcanic eruption, which can cover areas in a dense layer of ash impacting environments and human activities.

Scoria Cone

A small, steep-sided volcanic cone built of loose, fragmented cinder-like material, typically basaltic in composition.

Composite

In geology, composite refers to rocks or materials made up of various distinct components or layers, often seen in volcanic activity.

Shield

A large, flat area of ancient, hard rock on the Earth's surface, often found in continental interiors and known for its geological stability.