What Is the Value of K_a for the Methylammonium Ion

question 73

Multiple Choice

What is the value of K_a for the methylammonium ion, CH₃NH₃⁺? K_b(CH₃NH₂) = 4.4 × 10⁻⁴

• A)4.4 × 10 ⁻⁴
• B)4.8 × 10 ⁻⁶
• C)4.4 × 10 ⁻¹⁰
• D)2.3 × 10 ⁻¹¹
• E)4.4 × 10 ⁻¹⁸

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Definitions:

Intergroup Contact

Interaction between members of different social or cultural groups, which can influence perceptions and reduce prejudice.

Stereotypical Thinking

The tendency to categorize individuals or groups into simplistic and fixed categories without allowance for individual variation or complexity.

Propinquity

The physical or psychological proximity between people, which influences their likelihood to form relationships or friendships.

Reciprocity

A mutual exchange of privileges or interactions between parties, often seen as a foundational principle in social relationships.