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JEE Mains · Chemistry · STD 12 - 2. Electrochemistry

\(\left[ Cu ^{2+}\right]=\left[ Sn ^{2+}\right]=1\, M\) और \(298\, K\) पर दी गई अभिक्रिया के लिए गिब्स ऊर्जा परिवर्तन \((J\) में) है........ \(Cu ( s )+ Sn ^{2+}( aq ) \rightarrow Cu ^{2+}( aq )+ Sn ( s )\) \(\left( E _{ Sn ^{2+} \mid Sn }^{0}=-0.16\, V , E _{ Cu ^{2+} \mid Cu }^{0}=0.34\, V \right.\),\(F=96500\, C\, mol ^{-1}\) )

  1. A \(96500\)
  2. B \(96455\)
  3. C \(96530\)
  4. D \(96570\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(96500\)

Step-by-step Solution

Detailed explanation

\(\Delta G =\Delta G ^{\circ}+ RT \ln \left[\frac{ Sn ^{+2}}{ Cu ^{+2}}\right]\) \(=-2 \times 96500[(-0.16)-0.34]+ RT \ln \left(\frac{1}{1}\right)\) \(=96500 J\)
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