Which Example Represents the Reduction Half-Reaction for Cobalt/cobalt(II)?
A) Co $\rightarrow$

question 45

Multiple Choice

Which example represents the reduction half-reaction for cobalt/cobalt(II) ?

• A) Co \(\rightarrow\) Co²⁺ + 2 e^-
• B) Co + 2 e^-\(\rightarrow\) Co^2-
• C) Co²⁺ + 2 e^- \(\rightarrow\)Co
• D) Co²⁺ \(\rightarrow\)Co + 2 e^-

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Definitions:

Condensed Structural Formula

A method of describing the elements or molecules that comprise a compound and the way in which they are bonded to each other, using lines for bonds and showing minimal detail.

Triple Bond

A type of chemical linkage where two atoms share three pairs of electrons, resulting in a bond that is shorter and stronger than those involving only one or two pairs of electrons.

2-Hexyne

An organic compound with the chemical formula C6H10, consisting of a six-carbon chain with a triple bond between the second and third carbon atoms.

Lewis Line Structure

A diagram representing the valence electrons of atoms within a molecule using dots and lines for bonding pairs.