The Net Formation Constant for Tetrachloromercurate(II) Ion Is 1

question 9

Multiple Choice

The net formation constant for tetrachloromercurate(II) ion is 1.2 × 10¹⁵. Calculate the approximate standard electrode potential for:
[HgCl₄]^2-(aq) + 2 e- → Hg(l) + 4 Cl-(aq)
Given: Hg₂+(aq) + 2 e- → Hg(l) E° + 0.85 V

• A) -0.39 V
• B) -0.63 V
• C) +0.70 V
• D) +0.41 V
• E) zero

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