Which of the Following Is the Weakest Acid

question 20

Multiple Choice

Which of the following is the weakest acid?

• A) Boric acid, K_a = 7.3  10^-10
• B) Benzoic acid, K_a = 6.3  10^-5
• C) Sulfurous acid, K_a = 1.2  10^-2
• D) Ethanoic acid, K_a = 1.8  10^-5
• E) Formic acid, K_a = 1.8  10^-4

---

Definitions:

Highly Conserved

Refers to genes, DNA sequences, or proteins that remain relatively unchanged throughout the evolution of different species, indicating their importance in biological functions.

Single-nucleotide Polymorphism

A variation in a single nucleotide that occurs at a specific position in the genome, representing the most common type of genetic variation among humans.

Base-pair Substitution

A type of genetic mutation where one nucleotide pair in the DNA sequence is replaced with a different nucleotide pair.

Measurable Percentage

A quantifiable fraction or portion of a whole, expressed as a percentage.