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Byju's Answer
Standard XII
Chemistry
Potassium Permanganate
Cl2 gas is ob...
Question
C
l
2
gas is obtained by various reaction select the reactions from the following(s):
A
K
M
n
O
4
+
c
o
n
c
.
H
C
l
Δ
−
→
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B
K
C
l
+
K
2
C
r
2
O
7
+
c
o
n
c
.
H
2
S
O
4
Δ
−
→
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C
M
n
O
2
+
c
o
n
c
.
H
C
l
Δ
−
→
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D
K
C
l
+
F
e
2
(
S
O
4
)
3
→
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Solution
The correct options are
A
M
n
O
2
+
c
o
n
c
.
H
C
l
Δ
−
→
B
K
M
n
O
4
+
c
o
n
c
.
H
C
l
Δ
−
→
2
K
M
n
O
4
+
16
H
C
l
→
2
K
C
l
+
2
M
n
C
l
2
+
8
H
2
O
+
5
C
l
2
M
n
O
2
+
4
H
+
+
2
C
l
−
→
M
n
2
+
+
C
l
2
+
2
H
2
O
Hence,option A and C is correct.
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Q.
Balance the following equation by oxidation number method
i)
K
2
C
r
2
O
7
+
K
I
+
H
2
S
O
4
→
K
2
S
O
4
+
C
r
2
(
S
O
4
)
3
+
I
2
+
H
2
O
ii)
K
M
n
O
4
+
N
a
2
S
O
3
→
M
n
O
2
+
N
a
2
S
O
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+
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O
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iii)
C
u
+
H
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O
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→
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u
(
N
O
3
)
2
+
N
O
2
+
H
2
O
iv)
K
M
n
O
4
+
H
2
C
2
O
4
+
H
2
S
O
4
→
K
2
S
O
4
+
M
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