Give the anodic,cathodic,and overall reactions of a hydrogen-oxygen fuel cell.

Vedclass pdf generator app on play store
Vedclass iOS app on app store
(N/A) Anodic reaction: $2H_{2(g)} + 4OH^{-}_{(aq)} \rightarrow 4H_2O_{(l)} + 4e^-$
Cathodic reaction: $O_{2(g)} + 2H_2O_{(l)} + 4e^- \rightarrow 4OH^{-}_{(aq)}$
Overall reaction: $2H_{2(g)} + O_{2(g)} \rightarrow 2H_2O_{(l)}$

Explore More

Similar Questions

Write a note on mercury cell $(Zn-Hg)$.

Difficult
View Solution

Which of the following reactions is correct for a given electrochemical cell at $25^{\circ} C$ ?
$Pt | Br_{2(g)} | Br_{(aq)}^{-} || Cl_{(aq)}^{-} | Cl_{2(g)} | Pt$

If less than $1.1 \ V$ external opposite current is passed through the Daniell cell,for such condition answer the following questions :
$(1)$ Give reaction of cathode,anode and redox.
$(2)$ Between $Zn$ and $Cu$ which metal dissolve in solution ?

In which cell is the free energy of a chemical reaction directly converted into electricity?

Give the uses of the mercury cell.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo