Which of the Following Bases Is the Weakest? the Base

question 132

Multiple Choice

Which of the following bases is the weakest? The base is followed by its K_b value.

• A) HOCH₂CH₂NH₂, 3.2 × 10^-5
• B) NH₃, 1.76 × 10^-5
• C) C₅H₅N, 1.7 × 10^-9
• D) (CH₃CH₂)₃N, 5.2 × 10^-4
• E) CH₃CH₂NH₂, 5.6 × 10^-4

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Definitions:

Silica

Silicon dioxide (SiO2), appearing either as a relatively pure form in a mineral (e.g., quartz) or as a component in more chemically complex minerals and rocks.

Cube-Shaped Crystals

Solids with an atomic structure that forms into a cube shape, commonly observed in minerals such as pyrite and halite.

Sulfide

A chemical compound that consists of sulfur and one or more elements, commonly found in ore minerals and as byproducts of industrial processes.

Silica Tetrahedron

A structural unit of silicon ion surrounded by four oxygen ions, forming the basic building block of silicate minerals.