Which of the Following Aqueous Solutions Is(are) Considered Basic

question 177

Multiple Choice

Which of the following aqueous solutions is(are) considered basic ?
I. [H₃O⁺] = 3.4×10 ^{- 10} M
II. pH = 8.54
III. [OH ^- ] = 6.7×10 ^{- 4} M

• A) III only
• B) I and II
• C) I and III
• D) II and III
• E) All of these

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Definitions:

Amino Acids

Building blocks of proteins, playing critical roles in body functions, including cell structure and transport.

Carboxyl Group

A functional group consisting of a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group (COOH), characteristic of organic acids.

Peptide Bond

A peptide bond is a chemical bond formed between two amino acids during protein synthesis, linking them together in a polypeptide chain.

Chromosomes

Structures within cells that contain DNA and carry genetic information necessary for reproduction, growth, and maintenance.