Which of the Following Acids Has the Lowest PH

question 18

Multiple Choice

Which of the following acids has the lowest pH?

• A) 0.1 M HBO, pK_a = 2.43
• B) 0.1 M HA, pK_a = 4.55
• C) 0.1 M HMO, pK_a = 8.23
• D) 0.1 M HST, pK_a = 11.89
• E) pure water

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Definitions:

Intermediate Disturbance Hypothesis

A concept in ecology suggesting that biodiversity is highest when ecological disturbances occur at a moderate level, neither too rare nor too frequent.

Species Diversity

The variety and abundance of different species within a specific region or ecosystem, reflecting the number of species and their relative numbers.

Moderate Disturbances

Environmental or ecological changes of a medium intensity that can affect ecosystem dynamics.

Fertile Soil

Soil that is rich in nutrients and minerals, ideal for growing plants and crops.