JEE Mains · Chemistry · STD 12 - 2. Electrochemistry
Consider the following standard electrode potentials (\(E^o\) in volts) in aqueous solution
| Element | \(M^{3+}/ M\) | \(M^+/M\) |
| \(Al\) | \(-1.66\) | \(+0.55\) |
| \(Tl\) | \(+1.26\) | \(-0.34\) |
- A \(Tl^+\) is more stable than \(Al^{3+}\)
- B \(Al^+\) is more stable than \(Al^{3+}\)
- C \(Tl^+\) is more stable than \(Al^+\)
- D \(Tl^{3+}\) is more stable than \(Al^{3+}\)
Answer & Solution
Correct Answer
(C) \(Tl^+\) is more stable than \(Al^+\)
Step-by-step Solution
Detailed explanation
\((i)\,\mathop {A{l^{3 + }}}\limits_{Most\,\,stable} \,\xrightarrow{{{E^o}\, = \, - \,1.66}}Al\,\xleftarrow{{{E^o}\, = \, + \,0.55}}\mathop {A{l^ + }}\limits_{Less\,\,stable} \)…
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