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 $



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