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JEE Mains · Chemistry · STD 11 - 5. Thermodynamics and thermochemistry

नीचे दिये गये सैल में होने वाली अभिक्रिया के लिए \(\Delta_{ f } G ^0\) का मान \(kJ mol ^{-1}\). (निकटतम पूर्णांक में) \(Pt ( s )\left| H _2( g )\right| H ^{+}( aq ) \| Ag ^{+}( aq ) \mid Ag ( s )\) \(E _{\text {Cell }}^0=+0.5332\,V\)

  1. A \(5\)
  2. B \(96\)
  3. C \(51\)
  4. D \(57\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(51\)

Step-by-step Solution

Detailed explanation

\(\frac{1}{2} H _{2}+ Ag ^{+} \rightarrow H ^{+}+ Ag\) \(\Delta G ^{\circ}=- nE ^{\circ} F\) \(=-1 \times 0.5332 \times 96500 \,J\) \(=-51.35 \,kJ\) \(\left( n =2 \text { for } H _{2}+2 Ag ^{+} \rightarrow 2 H ^{+}+2 Ag \right)\)
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