Extraction Of Copper
In copper extraction, blister copper is produced by removing:
Select the correct option:
🔒 Solution Hidden from View
Submit your answer to unlock the detailed step-by-step solution.
More d- and f-block elements Practice Questions
When potassium permanganate acts as an oxidising agent in acidic medium, to which oxidation state is...
When potassium permanganate acts as an oxidising agent in acidic medium, to which oxidation state is...
Transition metals form interstitial compounds with small atoms like hydrogen, carbon, and nitrogen; ...
Transition metals form interstitial compounds with small atoms like hydrogen, carbon, and nitrogen; ...
In an acidified potassium dichromate solution used for oxidation, what colour change indicates the r...
In an acidified potassium dichromate solution used for oxidation, what colour change indicates the r...
Why is the +2 oxidation state of manganese particularly stable compared with the +2 states of neighb...
Why is the +2 oxidation state of manganese particularly stable compared with the +2 states of neighb...
Transition metals readily form alloys with one another; which property of their atoms primarily make...
Transition metals readily form alloys with one another; which property of their atoms primarily make...
Transition metal ions show a strong tendency to form complex compounds with ligands; which character...
Transition metal ions show a strong tendency to form complex compounds with ligands; which character...
Transition metals generally have high melting points compared with s-block metals; what type of bond...
Transition metals generally have high melting points compared with s-block metals; what type of bond...
Actinoids show a much wider range of oxidation states than lanthanoids; what is the main reason for ...
Actinoids show a much wider range of oxidation states than lanthanoids; what is the main reason for ...
The Fe^3+ ion in an octahedral field with weak ligands has five unpaired electrons; what is its appr...
The Fe^3+ ion in an octahedral field with weak ligands has five unpaired electrons; what is its appr...
Zinc is often regarded as not being a typical transition element despite lying in the d-block; what ...
Zinc is often regarded as not being a typical transition element despite lying in the d-block; what ...
Across the first transition series, the highest oxidation state increases up to manganese and then d...
Across the first transition series, the highest oxidation state increases up to manganese and then d...
In the laboratory preparation of potassium permanganate from pyrolusite, the intermediate potassium ...
In the laboratory preparation of potassium permanganate from pyrolusite, the intermediate potassium ...
About This Question
- Subject
- chemistry
- Chapter
- d- and f-block elements
- Topic
- extraction of copper
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
Sulfur as SO2
- Stage: Bessemerization.
- Feed: Molten 'matte' (Cu2S+FeS).
- The Process: Air is blown through the converter. Sulfur present as sulfide is oxidized to Sulfur dioxide (SO2) gas.
- Self-Reduction: 2Cu2O+Cu2S→6Cu+SO2↑.
- The Name: As the molten copper solidifies, the SO2 gas trapped inside escapes, creating bubbles or 'blisters' on the surface of the metal.
- Result: This Blister Copper is about 98% pure and is subsequently refined by electrolysis.
This medium difficulty chemistry question is from the chapter d- and f-block elements, covering the topic of extraction of copper. It appeared in the 2025 exam.
Looking for more practice? Explore all chemistry questions or browse d- and f-block elements questions on RankGuru.