Ag$($aq$)++$ e$-->$ Ag$($s$)$ Eor $=0\mathrm{.}80$ V

Cr$($aq$)3++3$e$-->$ Ni$($s$)$ Eor $=-0\mathrm{.}74$ V

If you were to prepare a galvanic cell involving silver and chromium electrodes,

a$)$ Which half reaction is undergoing oxidation? Explain your rationale. $(0\mathrm{.}5$ mark$)$

b$)$ Which substance is the cathode? Explain your rationale. $(0\mathrm{.}5$ mark$)$

c$)$ Which direction should electrons flow? In your answer, specify the anode and cathode and the direction of electron flow. $(0\mathrm{.}5$ mark$)$

d$)$ Suggest a solution that could be used for the salt bridge. Explain your rationale. $(0\mathrm{.}5$ mark$)$

e$)$ Write the net ionic equation for the spontaneous reaction for the galvanic cell. $(1$ mark$)$Question $7(5$ points$)$

$A{g}_{(aq)}^{+}+e^{-}A{g}_{(s)},E_r^o=0\mathrm{.}80V$

$C{r}_{(aq)}^{3+}+3e^{-}N{i}_{(s)},E_r^o=-0\mathrm{.}74V$

If you were to prepare a galvanic cell involving silver and chromium electrodes,

a$)$ Which half reaction is undergoing oxidation? Explain your rationale. $(0\mathrm{.}5$ mark$)$

b$)$ Which substance is the cathode? Explain your rationale. $(0\mathrm{.}5$ mark$)$

c$)$ Which direction should electrons flow? In your answer, specify the anode and

cathode and the direction of electron flow. $(0\mathrm{.}5$ mark$)$

d$)$ Suggest a solution that could be used for the salt bridge. Explain your rationale.

$(0\mathrm{.}5$ mark$)$

e$)$ Write the net ionic equation for the spontaneous reaction for the galvanic cell. $(1$

mark$)$

e$)$ Showing your work, calculate the cell potential for a spontaneous reaction for this

galvanic cell. $(2$ marks$)$