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Byju's Answer
Standard X
Chemistry
Extraction of Copper
In self-reduc...
Question
In self-reduction, the reduction species is:
A
S
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B
O
2
−
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C
S
2
−
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D
S
O
2
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Solution
The correct option is
A
S
2
−
Self-reduction:
C
u
2
S
+
2
C
u
2
O
→
6
C
u
+
S
O
2
The oxidation number of sulphur increases from -1 to +4. Therefore,
S
2
−
is the reducing species.
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Q.
In self-reduction, the reducing species is _____________.
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In self reduction process, the species which bring about the reduction is :
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Although there are several ores, 80% of the world copper production comes from the ore chalcopyrite (
C
u
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S
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The main source of lead is PbS. It is converted to Pb by:-
(i)
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(ii)
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Self reduction process is:
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