Question

The auto reduction process is not used in the metallurgy of

• A. $Hg$
• B. $Cu$
• C. $Pb$
• D. $Fe$

Answer 1

Answer: (D)

$Fe$

Answer 2

The process of autoreduction is used in the metallurgy of less electropositive metals like $Hg, Pb, Cu$ etc. Hence, $Fe$ being more electropositive, is not obtained by auto reduction.