Question

Given the following standard reduction potentials:
$Sn^{4+}+2e^-Sn^{2+} \;E-0.13 V$
$Ag^++e^-Ag \;E=0.80 V$
The value of $\triangle G^+$ for the reaction is:
$2 Ag^+ (aq)+Sn^{2+} (aq) → 2Ag(s) + Sn^{4+} (aq)$

• A. $-1.3×10^5 J$
• B. $1.3 \times 10^3J$
• C. $-0.65 \times 10^5 J$
• D. $+0.65 \times 10^5 J$

Answer 1

Answer: (A)

$-1.3×10^5 J$

Answer 2

The correct answer is (A) :$-1.3×10^5 J$