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JEE Mains · Chemistry · STD 12 - 2. Electrochemistry

सेल \(Cu ( s ) \mid Cu ^{2+}( aq )(0.1 M ) \| Ag ^{+}( aq )\) \((0.01 M ) \mid Ag ( s )\) के लिए सेल विभव \(E _{1}=0.3095 \,V\) सेल \(Cu ( s ) \mid Cu ^{2+} \quad\) (aq) (0.01 \(\left.M \right) \| Ag ^{+}( aq )\) \((0.001 M ) \mid Ag ( s )\) के लिए सेल विभव =.............\(\times 10^{-2} V\) होगा (निकटतम पूर्णांक में)

  1. A \(4\)
  2. B \(14\)
  3. C \(28\)
  4. D \(36\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(28\)

Step-by-step Solution

Detailed explanation

Cell reaction is: \(\mathrm{Cu}(\mathrm{s})+2 \mathrm{Ag}^{+}(\mathrm{aq}) \rightarrow \mathrm{Cu}^{2+}+2 \mathrm{Ag}(\mathrm{s})\) Now, \(\mathrm{E}_{\text {cell }}-\frac{0.059}{2} \log \frac{\left[\mathrm{cu}^{+}+\right]}{\left[\mathrm{Ag}^{+}\right]^{2}}...(1)\)…
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