D-And F-Block Elements Ques 229
Question: The extraction of which of the following metals involves bessemerisation
[DCE 2004]
Options:
A) Fe
B) Ag
C) Al
D) Cu
Show Answer
Answer:
Correct Answer: D
Solution:
Copper metallurgy involves bessemerisation. In bessemerisation converter, the impurities of Ferric Oxide forms slag with Silica and Copper Oxide gets reduced to give blister copper.
$ FeO+SiO_2\xrightarrow{{}}\underset{Slag}{\mathop{FeSiO_3}}, $ $ Cu_2S+Cu_2O\xrightarrow{{}}6Cu\downarrow +SO_2\uparrow $
