Which of the Following Metals Will Dissolve in Nitric Acid

question 53

Multiple Choice

Which of the following metals will dissolve in nitric acid but not hydrochloric acid?

• A) Cd; E°(Cd²⁺/Cd) = -0.40V
• B) Cr; E°(Cr³⁺/Cr) = -0.73V
• C) Mn; E°(Mn²⁺/Mn) = -1.18V
• D) Ag; E°(Ag⁺/Ag) = +0.80V
• E) Al; E°(Al³⁺/Al) = -1.66V

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Definitions:

Protein Molecule

A large, complex molecule made up of one or more chains of amino acids, essential for the structure, function, and regulation of the body's tissues and organs.

Polypeptide Chain

A single linear chain of amino acids bound together by peptide bonds, forming part of or the whole protein molecule.

Ionic Bonds

Chemical bonds formed between two ions with opposite charges through the transfer of electrons.

Amino Acids

Organic compounds that serve as the building blocks for proteins, containing both an amino group and a carboxyl group.