Question

What is the composition of electroconductive paste used in mercury cell
(a) Zn Hg and HgO
(b) KOH and Zn Hg
(c) KOH and ZnO
(d) HgO and ZnO​

Answer 1

Answer:

(a) Zn Hg and HgO

Explanation:

Zn + HgO → ZnO + Hg

In other words, during discharge, zinc is oxidized (loses electrons) to become zinc oxide (ZnO) while the mercuric oxide gets reduced (gains electrons) to form elemental mercury.

Mercury cell is the primary cell of the non-rechargeable, non-reusable cell. ... Sodium hydroxide or potassium hydroxide used as an electrolyte that ionizes in a molten

Answer 2

Explanation:

a) Zn Hg and HgO

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