Select the incorrect statement for a dry cell.
- A$Mn$ is reduced from $Mn^{+4}$ to $Mn^{+3}$
- B$NH_3$ gas is liberated out
- C$Zn$ is used as an anode
- D$A$ paste of $NH_4Cl$ and $ZnCl_2$ is used
Explore More
Similar Questions
For the cell reaction,$Zn + Cu^{2+} \to Zn^{2+} + Cu,$ the cell representation is:
Medium
View SolutionStandard electrode potentials of $Zn$ and $Fe$ are known to be $(i) -0.76 \ V$ and $(ii) -0.44 \ V$ respectively. How does this explain that galvanization prevents rusting of iron while zinc slowly dissolves away?
Difficult
View SolutionGive advantages of fuel cell.
Easy
View SolutionWhat will occur if a block of copper metal is dropped into a beaker containing a solution of $1 \ M \ ZnSO_4$?
DifficultJEE MAIN 2016
View Solution$Zn_{(s)} | Zn_{(aq)}^{2+}(1 \ M) || Ni_{(aq)}^{2+}(1 \ M) | Ni_{(s)}$
Which is incorrect for the given cell?
Which is incorrect for the given cell?
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo