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Tardigrade
Question
Chemistry
Pick out the incorrect statement for SO2 .
Q. Pick out the incorrect statement for
S
O
2
.
2116
204
NTA Abhyas
NTA Abhyas 2020
The p-Block Elements - Part2
Report Error
A
It turns filter paper moistened with acidified
K
2
C
r
2
O
7
solution green
27%
B
It turns starch iodate paper blue
27%
C
It does not react with chlorine in presence of charcoal
36%
D
It decolourieses acidified
K
M
n
O
4
solution
9%
Solution:
It react with
C
l
2
in presence of charcoal (acting as a catalyst).
S
O
2
+
C
l
2
→
C
ha
rco
a
l
S
O
2
C
l
2
K
2
C
r
2
O
7
+
3
S
O
2
+
H
2
S
O
4
→
(
Green
)
C
r
2
(
S
O
4
)
3
+
K
2
S
O
4
+
H
2
O
B.
2
K
I
O
3
+
5
S
O
2
+
4
H
2
O
→
I
2
+
2
KH
S
O
4
+
3
H
2
S
O
4
I
2
so formed reacts with starch to form a complex of blue colour.
D.
2
K
M
n
O
4
+
5
S
O
2
+
2
H
2
O
→
K
2
S
O
4
+
(
C
o
l
o
u
r
l
ess
)
2
M
n
S
O
4
+
2
H
2
S
O
4