Consider the cell array c|c|c H _ 2 ( Pt ) & H _ 3 O ^ + ( aq ) 1 ~atm & pH =5.5 array |…
Chemistry · JEE Main · NTA Exams — Redox Reactions and Electrochemistry
Consider the cell \(\begin{array}{c|c|c}
\mathrm{H}_{2}(\mathrm{Pt}) & \mathrm{H}_{3} \mathrm{O}^{+}(\mathrm{aq}) \\
1 \mathrm{~atm} & \mathrm{pH}=5.5
\end{array}\left|\left|\begin{array}{l}
\mathrm{Ag}^{+} \\
\mathrm{xM}
\end{array}\right|\right.\) Ag. The measured EMF of the cell is 1.023 V. What is the value of x ?
\(\mathrm{E}^{0} \mathrm{Ag}^{+}, \mathrm{Ag}\)= + 0.799 V [T = 25°C]
\(\mathrm{E}^{0} \mathrm{Ag}^{+}, \mathrm{Ag}\)= + 0.799 V [T = 25°C]
- 2 × 10–2 M
- 2 × 10–3 M
- 1.5 × 10–3 M
- 1.5 × 10–2 M
Answer
(A) 2 × 10 –2 M
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