1. Tardigrade
  2. Question
  3. Chemistry
  4. Following are some of the facts about dry cell: I: It is also called Leclanche cell. II: It is also called Daniell cell. III: Electrolyte is a moist paste of NH4Cl and ZnCl2 in starch. IV: Cathode reaction is 2MnO2(s) +2NH+4(aq) +2e- → Mn2O3(s) +2NH3(g) +H2O(l) Select correct facts.

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Q. Following are some of the facts about dry cell:
I : It is also called Leclanche cell.
II : It is also called Daniell cell.
III : Electrolyte is a moist paste of $NH_{4}Cl$ and $ZnCl_{2}$ in starch.
IV : Cathode reaction is
$2MnO_{2\left(s\right)} +2NH^{+}_{4\left(aq\right)} +2e^{-} \to Mn_{2}O_{3\left(s\right)} +2NH_{3\left(g\right)} +H_{2}O_{\left(l\right)}$ Select correct facts.

Electrochemistry

Solution:

Daniell cell is a galvanic cell.