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Byju's Answer
Standard XII
Chemistry
Reaction with Metals
Name the cati...
Question
Name the cation and anion in given reaction:
2
S
O
2
⇌
S
O
2
+
+
S
O
2
−
3
A
S
O
2
+
:
S
u
l
p
h
i
d
e
S
O
2
−
3
:
S
u
l
p
h
a
r
y
l
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B
S
O
2
+
:
S
u
l
p
h
a
r
y
l
S
O
2
−
3
:
S
u
l
p
h
i
t
e
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C
S
O
2
+
:
S
u
l
p
h
i
t
e
S
O
2
−
3
:
S
u
l
p
h
i
d
e
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D
None of these
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Solution
The correct option is
B
S
O
2
+
:
S
u
l
p
h
a
r
y
l
S
O
2
−
3
:
S
u
l
p
h
i
t
e
S
O
2
+
:
S
u
l
p
h
a
r
y
l
S
O
2
−
3
:
S
u
l
p
h
i
t
e
Hence option B is correct.
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0
Similar questions
Q.
In the reaction
S
+
3
2
O
2
→
S
O
3
+
2
x
k
J
and
S
O
2
+
1
2
O
2
→
S
O
3
+
y
k
J
Heat of formation of
S
O
2
is
Q.
S
O
2
−
3
and
S
O
2
−
4
both give white precipitate with
B
a
C
l
2
solution. Scheme to detect
S
O
2
−
3
in presence of
S
O
2
−
4
is given below. If true enter 1, if false enter 0.
B
a
S
O
4
is insoluble in conc. HCl while
B
a
S
O
4
remains soluble. Separate
B
a
S
O
4
and add
B
r
2
water into filtrate.
S
O
2
−
3
is oxidised to
S
O
2
−
4
and gives white precipitate of
B
a
S
O
4
.
Q.
Identify
M
and
N
in the following reaction.
C
o
p
p
e
r
g
l
a
n
c
e
c
o
n
t
r
o
l
l
e
d
h
e
a
t
i
n
g
i
n
p
r
e
s
e
n
c
e
o
f
a
i
r
−
−−−−−−−−−−−−−−−−−−−−−
→
M
+
S
O
2
↑
M
N
−
→
C
u
+
S
O
2
↑
M
N
−
→
C
u
+
S
O
2
↑
Q.
Identify the oxidizing agent and the reducing agent in the following redox reaction :
M
n
O
−
4
+
S
O
2
−
3
→
M
n
2
+
+
S
O
2
−
4
Q.
In the reactions
S
+
3
2
O
2
→
S
O
3
+
2
x
k
c
a
l
and
S
O
2
+
1
2
O
2
→
S
O
3
+
y
k
c
a
l
, the heat of formation of
S
O
2
is :
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