Question

When a rod of metal $\rightarrow$ is dipped in an aqueous solution of metal $\rightarrow$ (concentration of $\rightarrow$ion being 1M) at $\rightarrow$, the standard electrode potentials are $\rightarrow$=–0.76 volts, $\rightarrow$/B = + 0.34 volts.

• A. $\rightarrow$ will gradually dissolve
• B. $\rightarrow$ will deposit on $\rightarrow$
• C. No reaction will occur
• D. Water will decompose into $\rightarrow$ and $AgNO_{3}$

Answer 1

Answer: (B)

$\rightarrow$ will deposit on $\rightarrow$

Answer 2

Since $E_{A^{2 +}/A}^{o} < E_{B^{2 +}/B}^{o}$. A has greater tendency to be oxidized. $A + B^{2 +} \rightarrow A^{2 +} + B$.