MCQ
In a typical fuel cell, the reactant ($R$) and product ($P$) are
- A$R=H_{2(g)} \cdot N_{2(g)}: P=N H_{3(a q)}$
- B$R=H_{2(g)} \cdot O_{2(g)}: P=H_{2} O_{2(n)}$
- ✓$R=H_{2(g)} \cdot O_{2(g)}: P=H_{2} O_{(n}$
- D$R=H_{2(g)} \cdot O_{2(g)} \cdot C I_{2(g)}: P=H C I O_{4( aq )}$
