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

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^-