Some statements about Leclanché cell are:
$(I)$ Anode is zinc metal
$(II)$ Cathode is graphite rod surrounded by powdered $MnO_2$ and carbon
$(III)$ Electrolyte is a moist paste of $ZnO$ and $KOH$
$(IV)$ Oxidation product is $ZnO$
The correct statements are:

  • A
    $I$ & $II$ only
  • B
    $II$ & $III$ only
  • C
    $I$ & $IV$ only
  • D
    $I, II$ & $III$ only

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