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NEET · Chemistry · STD 12 - 2. Electrochemistry

\(298\, K\) તાપમાને શુદ્ધ પાણીમાં \(H_2\) વિધુતધ્રુવનો પોટેન્શિયલ શૂન્ય કરવા માટે જરૂરી \(H_2\) નુ દબાણ ...........છે. 

  1. A \(10^{-10} \,atm\)
  2. B \(10^{-4}\, atm\)
  3. C \(10^{-14}\, atm\)
  4. D \(10^{-12} \,atm\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(10^{-14}\, atm\)

Step-by-step Solution

Detailed explanation

\(2 \mathrm{H}^{+}+2 \mathrm{e}^{-} \longrightarrow \mathrm{H}_{2}(\mathrm{g})\) \(E_{H^{+} / H_{2}}=-\frac{0.0591}{2} \log \frac{P_{M_{2}}}{\left[H^{+}\right]^{2}}\)
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