In an electrochemical reaction of lead, at standard temperature, if \(\mathrm{E}_{\left(\mathrm{Pb}^{2+} / \mathrm{Pb}\right)}^{\circ}=\mathrm{m}\) Volt and \(\mathrm{E}_{\left(\mathrm{Pb}^{4+} / \mathrm{Pb}\right)}^{\circ}=\mathrm{n}\) Volt , then the value of \(\mathrm{E}_{\left(\mathrm{Pb}^{2+} / \mathrm{Pb}^{4+}\right)}^{\circ}\) is given by \(\mathrm{m}-\mathrm{xn}\). The value of \(\mathrm{x}\) is ___. (Nearest integer)

[JEE Main 2023, 11 Apr (Shift 1)]

Question

In an electrochemical reaction of lead, at standard temperature, if \(\mathrm{E}_{\left(\mathrm{Pb}^{2+} / \mathrm{Pb}\right)}^{\circ}=\mathrm{m}\) Volt and \(\mathrm{E}_{\left(\mathrm{Pb}^{4+} / \mathrm{Pb}\right)}^{\circ}=\mathrm{n}\) Volt , then the value of \(\mathrm{E}_{\left(\mathrm{Pb}^{2+} / \mathrm{Pb}^{4+}\right)}^{\circ}\) is given by \(\mathrm{m}-\mathrm{xn}\). The value of \(\mathrm{x}\) is ___. (Nearest integer)

[JEE Main 2023, 11 Apr (Shift 1)]

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