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JEE Mains · Chemistry · STD 12 - 2. Electrochemistry

\(\mathrm{Cu}^{2+}{/ \mathrm{Cu}}\) અને \(\mathrm{Cu}^{+}{/ \mathrm{Cu}}\) ના પ્રમાણિત પોટેન્શિયલ \(\left(\mathrm{E}^{\circ}\right)\) અનુક્રમે \(0.34 \;\mathrm{V}\) અને \(0.522 \;\mathrm{V}\) છે. તો \({C u}^{2+}{/ {C u}^{+}}\) તો \({E}^{\circ}\) જણાવો.

  1. A \(0.158\; \mathrm{V}\)
  2. B \(0.182\; \mathrm{V}\)
  3. C \(-0.182\; \mathrm{V}\)
  4. D \(-0.158\; \mathrm{V}\)
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Answer & Solution

Correct Answer

(A) \(0.158\; \mathrm{V}\)

Step-by-step Solution

Detailed explanation

\(\quad \quad \quad \quad \quad \quad \quad \quad \quad \quad E^{o}\quad \quad \quad \Delta G^o\) \(\mathrm{Cu}^{2 \mathrm{+}}+2 \mathrm{e}^{-} \longrightarrow \mathrm{Cu} \quad 0.34 \quad=-2 \mathrm{F}(0.34)\)…
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