AP EAMCET · Chemistry · Electrochemistry
Some statements about Lechlanche cell are
(I) Anode is zinc metal
(II) Cathode is graphite rod surrounded by powdered \(\mathrm{MnO}_2\) and carbon
(III)Electrolyte is a moist paste of \(\mathrm{ZnO}\) and \(\mathrm{KOH}\)
(IV)Oxidation product is \(\mathrm{ZnO}\)
The correct statements are
- A I \& II only
- B II \& III only
- C I \& IV only
- D I, II \& III only
Answer & Solution
Correct Answer
(A) I \& II only
Step-by-step Solution
Detailed explanation
Lechlunche cell:- Anode : \(\mathrm{Zn}\) Container \(\mathrm{Zn}(\mathrm{s}) \rightarrow \mathrm{Zn}^{2+}\) (aq.) \(+2 \mathrm{e}^{-}\) Cathode: Carbon (graphite) \(+\mathrm{MnO}_2+\) Carbon powder.…
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