Question

Consider these two entries from a fictional table of standard reduction potentials. \[ \begin{array}{ll} \mathrm{X}^{2}(\mathrm{aq})+2 \mathrm{e}^{-} \longrightarrow \mathrm{X}(\mathrm{s}) & E=1.78 \mathrm{~V} \\ \mathrm{Y}^{2}(\mathrm{aq})+2 \mathrm{e}^{-} \longrightarrow \mathrm{Y}(\mathrm{s}) & E=0.24 \mathrm{~V} \end{array} \] Which pair of species will react under standard conditions at \( 25^{\circ} \mathrm{C} \) ? \( \mathrm{X}^{2}+ \) and Y \( \mathrm{X}^{2}+ \) and \( \mathrm{Y}^{2}+ \) \( X \) and \( Y \) X and \( \mathrm{Y}^{2}+ \)

          Consider these two entries from a fictional table of standard reduction potentials.
\[
\begin{array}{ll}
\mathrm{X}^{2}(\mathrm{aq})+2 \mathrm{e}^{-} \longrightarrow \mathrm{X}(\mathrm{s}) & E=1.78 \mathrm{~V} \\
\mathrm{Y}^{2}(\mathrm{aq})+2 \mathrm{e}^{-} \longrightarrow \mathrm{Y}(\mathrm{s}) & E=0.24 \mathrm{~V}
\end{array}
\]

Which pair of species will react under standard conditions at \( 25^{\circ} \mathrm{C} \) ?
\( \mathrm{X}^{2}+ \) and Y
\( \mathrm{X}^{2}+ \) and \( \mathrm{Y}^{2}+ \)
\( X \) and \( Y \)
X and \( \mathrm{Y}^{2}+ \)

Consider these two entries from a fictional table of standard reduction potentials.

X^2(aq)+2 e^-⟶X(s) E=1.78 V
Y^2(aq)+2 e^-⟶Y(s) E=0.24 V

Which pair of species will react under standard conditions at 25^∘C ?
X^2+ and Y
X^2+ and Y^2+
X and Y
X and Y^2+

Added by Samantha T.

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