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JEE Mains · Chemistry · STD 12 - 2. Electrochemistry

अभिक्रिया \(Zn ( s )+ Cu ^{2+}( aq ) \rightarrow Zn ^{2+}( aq )+ Cu ( s )\) विचार कीजिए। यदि मानक \(E _{ Cell }^{\circ}=2.0\, V,\, 298 K\) पर तथा \(F =96000 \,C mol ^{-1}\) है तब \(\Delta G ^{\circ}\left( \,kJ\, mol ^{-1}\right)\) का मान \(298\, K\) पर होगा।

  1. A \(-192\)
  2. B \(384\)
  3. C \(-384\)
  4. D \(192\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(-384\)

Step-by-step Solution

Detailed explanation

\(\Delta G = - 2 \times 96000 \times 2\) \(\Delta G = - nF{E^o}\) \(\Delta G = - 2 \times 96000 \times 2\,J\) \(\Delta G = - 384\,kJ\,mol^{-1}\)
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