pBlock ElementsII 1 Question 74
69. Dilute $\mathrm{HCl}$ oxidises metallic $\mathrm{Fe}$ to $\mathrm{Fe}^{2+}$.
$(1983,1 \mathrm{M})$
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Solution:
- $\mathrm{Fe}$ is more electropositive than hydrogen, displaces $\mathrm{H}^{+}$ ions from acid solution as :
$\mathrm{Fe}+2 \mathrm{HCl} \longrightarrow \mathrm{FeCl}{2}+\mathrm{H}{2} \uparrow$
