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Question
Chemistry
H2S acts only as a reducing agent while SO2, can act both as a reducing and oxidizing agent because
Q.
H
2
S
acts only as a reducing agent while
S
O
2
,
can act both as a reducing and oxidizing agent because
1880
190
AMU
AMU 1999
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A
S in
H
2
S
has -2 oxidation state
B
S in
S
O
2
has oxidation state
+
4
C
hydrogen in
H
2
S
is more +ve than oxygen in
S
O
2
D
oxygen is more -ve in
S
O
2
Solution:
:
S
O
2
+
2
H
2
S
→
2
H
2
O
+
S
(oxidising nature of
S
O
2
)
S
O
2
+
2
H
2
O
→
H
2
S
O
4
+
2
H
(reducing nature of
S
O
2
)