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Byju's Answer
Standard XII
Chemistry
Physical and Chemical Properties of Hydrogen
6.choose an o...
Question
6.choose an oxidizing substance among the following- •SO2 •H2S •SO3 •HNO2
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Q.
Write the formulae of the compounds with given oxidation number of the given elements
Element
O.N
Compounds
(a)
O
+2
O
F
2
(b)
O
-1
H
2
O
2
(c)
O
-0.5
K
O
2
(d)
S
-2
H
2
S
(e)
S
+4
S
O
2
(f)
S
+6
S
O
3
Q.
In which of the following species
S
−
atom assumes
s
p
3
-hybrid state?
(I)
S
O
3
(II)
H
2
S
(III)
S
O
2
(IV)
S
8
Q.
Which of the following can act as both oxidizing and reducing agent?
(i)
S
O
2
(ii)
H
N
O
3
(iii)
H
N
O
2
(iv)
H
C
l
O
4
Q.
S
+
O
2
→
S
O
2
;
Δ
H
=
−
298.2
k
J
S
O
2
+
1
2
O
2
→
S
O
3
;
Δ
H
=
−
98.7
k
J
S
O
3
+
H
2
O
→
H
2
S
O
4
;
Δ
H
=
−
130.2
k
J
H
2
+
1
2
O
2
→
H
2
O
;
Δ
H
=
−
227.3
k
J
The heat of formation of
H
2
S
O
4
will be:
Q.
Assertion :Both
S
O
2
and
S
O
3
are reducing agents. Reason: Both
S
O
2
and
S
O
3
bleach the articles by oxidation.
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