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Question
Chemistry
The metal which is extracted by oxidation and subsequent reduction from its ore is:
Q. The metal which is extracted by oxidation and subsequent reduction from its ore is:
368
122
JEE Main
JEE Main 2023
General Principles and Processes of Isolation of Elements
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A
A
l
0%
B
C
u
0%
C
A
g
71%
D
F
e
29%
Solution:
A
g
.
4
A
g
+
8
C
N
−
+
O
2
+
2
H
2
O
→
4
[
A
g
(
CN
)
2
]
−
+
4
O
H
−
2
[
A
g
(
CN
)
2
]
−
1
+
Z
n
→
2
A
g
↓
+
[
Z
n
(
CN
)
4
]
−
2