What is standard electrode potential?

  • A
    The potential of an electrode at $298 \ K$ and $1 \ M$ concentration.
  • B
    The potential of an electrode at $0 \ K$ and $1 \ M$ concentration.
  • C
    The potential of an electrode at $298 \ K$ and $0 \ M$ concentration.
  • D
    The potential of an electrode at $273 \ K$ and $1 \ M$ concentration.

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If $E_{Au^{+}/Au}^o$ is $1.69 \text{ V}$ and $E_{Au^{3+}/Au}^o$ is $1.40 \text{ V}$,then $E_{Au^{+}/Au^{3+}}^o$ will be ... $\text{V}$.

Based on the given data,which is the strongest oxidizing agent? $E_{Li^+|Li}^o = -3.03 \ V$,$E_{Ba^{2+}|Ba}^o = -2.73 \ V$,$E_{Na^+|Na}^o = -2.71 \ V$,and $E_{Mg^{2+}|Mg}^o = -2.37 \ V$.

Standard electrode potential of $NHE$ at $298\,K$ is .............. $V$.

What does the negative sign in the expression $E_{Zn^{2+}|Zn}^o = -0.76 \ V$ mean?

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