MCQ
Which of the following has highest electrode potential
- A$Li$
- B$Cu$
- ✓$Au$
- D$Al$
✓
Answer
Correct option: C.
$Au$
c
$\text { Element: } \quad\quad\quad\quad\quad\quad Be \quad\quad\quad Mg \quad\quad Ca \quad\quad\quad Sr \quad\quad\quad Ba$
$\text { Element: } \quad\quad\quad\quad\quad\quad Be \quad\quad\quad Mg \quad\quad Ca \quad\quad\quad Sr \quad\quad\quad Ba$
$\text { Electrode potential : }-1.70 \quad-2.37\quad -2.87\quad -2.89 \quad -2.90$
$Be$ has the highest electrode potential as it is the least electropositive among the given metals.
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