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Question
Chemistry
Which of the following reactions show the process of smelting?
Q. Which of the following reactions show the process of smelting?
1688
179
JIPMER
JIPMER 2012
General Principles and Processes of Isolation of Elements
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A
2
P
b
O
+
P
b
S
→
3
P
b
+
S
O
2
16%
B
2
N
a
[
A
u
(
CN
)
2
]
+
Z
n
→
N
a
2
[
Z
n
(
CN
)
4
]
+
2
A
u
15%
C
P
b
O
+
C
→
P
b
+
CO
51%
D
2
H
g
S
+
3
O
2
→
2
H
g
O
+
2
S
O
2
18%
Solution:
Smelting is the process of extraction of a metal by reduction of its oxide with carbon (in the form of coke, charcoal or carbon monoxide).