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The reduction potential of hydrogen half-cell will be negative if:

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a

PH2=1atm and H+=2.0M

b

PH2=1 atm and H+=1.0M

c

PH2=2atm and H+=1.0M

d

PH2=2atm and H+=2.0M

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detailed solution

Correct option is C

2H(4) )++2e−⟶H2(3)ERP=ERP+−0.0591nlog⁡PH2H+2=0−0.05912log⁡2(1)2

ctaimg

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Similar Questions

The conductivity of a saturated solution of ${Ag}_{2} C_{2} O_{4}$ is $4 \times 10^{- 5} S c m^{- 1}$ at 25°C. Conductivity of water is $6 \times 10^{- 8} S c m^{- 1}$ . What is the approximate molar conductivity of $C_{2} O_{4}^{2 -}$ ion at infinite dilution, given molar conductivity of Ag+ ions at infinite dilution is $62 S c m^{2} / m o l$ and $K_{sp} ({Ag}_{2} C_{2} O_{4}) = 3 .2 \times 10^{- 11}$

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