The cell reaction of the galvanic cell :Cu (r)|Cu2+(aq) ||Hg2+(aq) Hg | (l) is

Question

The cell reaction of the galvanic cell :Cu (r)|Cu2+(aq) ||Hg2+(aq) Hg | (l) is (A) Hg + Cu2+ arrow Hg2+ + Cu (B) Hg + Cu2+arrow Cu+ + Hg+ (C) Cu + Hgarrow CuHg (D) Cu + Hg2+arrow Cu2+ + Hg.

Tardigrade Admin · Accepted Answer

Cu arrow Cu2+ + 2e- ( Hg2+ +2e- → Hg/Cu + Hg2+→ Cu2+ + Hg)

Q. The cell reaction of the galvanic cell : $C u (r) ∣ C u^{2} + (a q) ∣∣ H g^{2 +} (a q) H g ∣ (l)$ is

$H g + C u_{2 +} \to H g_{2} + + C u$

$H g + C u_{2} + \to C u^{+} + H g^{+}$

$C u + H g \to C u H g$

$C u + H g^{2 +} \to C u^{2 +} + H g .$

$C u \to C u^{2 +} + 2 e^{-}$
$\frac{H g ^{2 +} + 2 e ^{-} \to H g}{C u + H g ^{2 +} \to C u ^{2 +} + H g}$

Q. The cell reaction of the galvanic cell :Cu(r)∣Cu2+(aq)∣∣Hg2+(aq)Hg∣(l) is

Hg+Cu2+​→Hg2​++Cu

Hg+Cu2​+→Cu++Hg+

Cu+Hg→CuHg

Cu+Hg2+→Cu2++Hg.