JEE Main Chemistry question

Chemistry General Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

During bessemerisation of copper, the reaction taking place in the bessemer convertor is:

(A)Cu_2S+2Cu_2O\to 6Cu+SO_2Correct
(B)Cu_2O+FeS\to Cu_2S+FeO
(C)
(D)None of the above

Answer: (A)

Solution

The final, characteristic reaction of bessemerisation is the self (auto-) reduction of the remaining cuprous sulphide by cuprous oxide, producing blister copper:

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Question ID VK-145408