NEET 2019 Model Question Paper 3

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Question : 136 of 180

Marks: +1, -0

CHEMISTRY

Which among the following is incorrect regarding dry cell?

Reaction at anode: Zn(s)→Zn+2(aq)+2e
MnO2 acts as cathodic depolariser
Electrolyte: NH4Cl+C+MnO2
Reaction at cathode:ZnCl2+NH3→[ Zn(NH3)2Cl2]

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