MCQ
The sequence of ionic mobility in aqueous solutions is
- A$K^+ > Na^+ > Rb^+ > Cs^+$
- ✓$Cs^+ > Rb^+ > K^+ > Na^+$
- C$Rb^+ > K^+ > Cs^+ > Na^+$
- D$Na^+ > K^+ > Rb^+ > Cs^+$
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$Zn^{2 + }(aq.) + 2e⇔ Zn(s)$; $→$ $ -0.762$
$Cr^{3 + }(aq) + 3e ⇔ Cr(s)$; $→$ $-0.740$
$2H^ +(aq) + 2e⇔ {H_2}(g)$; $→$ $0.00$
$Fe^{3+}(aq) + e ⇔ Fe^{2+}(aq)$; $→$ $0.770$
Which is the strongest reducing agent

