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Question
Chemistry
Phosphorus reacts with SO 2 Cl 2 to form PCl 5 and X. At 723 K , HCl gas reacts with O 2 in the presence of CuCl 2 to form water and Y . Y reacts with X in water to form two acids A and B. What are A and B respectively?
Q. Phosphorus reacts with
S
O
2
C
l
2
to form
PC
l
5
and
X
. At
723
K
,
H
Cl
gas reacts with
O
2
in the presence of
C
u
C
l
2
to form water and
Y
.
Y
reacts with
X
in water to form two acids
A
and
B
. What are
A
and
B
respectively?
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216
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A
H
2
S
O
4
,
H
Cl
B
H
2
S
O
4
,
H
N
O
3
C
H
Cl
,
H
N
O
3
D
H
2
S
O
4
,
H
3
P
O
4
Solution:
When thionyl chloride reacts with white phosphorus, phosphorus pentachloride and
S
O
2
is formed.
P
4
+
10
S
O
2
C
l
2
4
PC
l
5
+
10
S
O
2
(
X
)
At
723
K
, HCl gas reacts with
O
2
in the presence of
C
u
C
l
2
to form water and
C
l
2
(
Y
)
.
4
H
Cl
+
O
2
723 K
CUC
l
2
+
2
H
2
O
(Deacon process)
C
l
2
(
Y
)
react with
S
O
2
(
X
)
in water to form two acids
H
Cl
(
A
)
and
H
2
S
O
4
(
B
)
.
(
X
)
S
O
2
+
2
H
2
O
+
(
Y
)
C
l
2
(
B
)
2
H
Cl
+
H
(
A
)
H
2
S
O
4