The photoelectric current from Na (work function, w? = 2.3eV) is stopped by the output voltage of the cell
Pt(s)/H?(g, 1 bar) | HCl (aq., pH = 1)|AgCl(s)|Ag(s).
The pH of aq. HCl required to stop the photoelectric current from K(w? = 2.25 eV), all other conditions remaining the same, is × 10?² (to the nearest integer).
Given,
2.303(RT/F) = 0.06 V; E°(AgCl|Ag|Cl?) = 0.22 V
The photoelectric current from Na (work function, w? = 2.3eV) is stopped by the output voltage of the cell
Pt(s)/H?(g, 1 bar) | HCl (aq., pH = 1)|AgCl(s)|Ag(s).
The pH of aq. HCl required to stop the photoelectric current from K(w? = 2.25 eV), all other conditions remaining the same, is × 10?² (to the nearest integer).
Given,
2.303(RT/F) = 0.06 V; E°(AgCl|Ag|Cl?) = 0.22 V
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