pBlock ElementsII - Result Question 74
####69. Dilute $HCl$ oxidises metallic $Fe$ to $Fe^{2+}$.
$(1983,1 M)$
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Solution:
- $Fe$ is more electropositive than hydrogen, displaces $H^{+}$ ions from acid solution as :
$Fe+2 HCl \longrightarrow FeCl _2+H _2 \uparrow$