The Following Reaction Occurs Spontaneously $\to$ Ca²⁺(aq)+ H₂(g)
Write the Balanced Oxidation Half-Reaction

question 26

Multiple Choice

The following reaction occurs spontaneously.
2 H⁺(aq) + Ca(s) $\to$ Ca²⁺(aq) + H₂(g)
Write the balanced oxidation half-reaction.

• A) 2 H⁺(aq)+ 2 e^- \(\to\) H₂(g)
• B) 2 H⁺(aq)\(\to\)H₂(g)+ 2 e^-
• C) H₂(g)\(\to\) 2 H⁺(aq)+ 2 e^-
• D) Ca(s)+ 2 e^- \(\to\) Ca²⁺(aq)
• E) Ca(s)\(\to\)Ca²⁺(aq)+ 2 e^-

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