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Byju's Answer
Standard XII
Chemistry
Oxides of Group 16
Oxygen as a s...
Question
Oxygen as a super oxide is in the form of:
A
O
−
2
2
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B
O
−
2
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C
O
−
2
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D
O
−
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Solution
The correct option is
D
O
−
2
O
−
2
is known as superoxide.
O
−
1
is known as peroxide.
O
−
2
is known as normal oxide.
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Similar questions
Q.
The pyruvic acid formed in glycolysis is oxidized to C
O
2
and H
2
O in a cycle called as
Q.
statement 1:
H
2
O
2
is a good oxidizing agent
statement 2; In
H
2
O
2
, O atom is in
−
1
oxidation state
Q.
The radii of
F
,
F
−
,
O
and
O
−
2
are in the order of
Q.
The increasing order of the bond order of
O
2
,
O
+
2
,
O
−
2
and
O
2
−
2
is:
Q.
The formation of the oxide ion, O
2
−
(
g
)
, from oxygen atom requires first an exothermic and then an endothermic step as shown below:
O
(
g
)
+
e
−
→
O
−
(
g
)
;
Δ
H
∘
=
−
141
k
J
m
o
l
−
1
O
−
(
g
)
+
e
−
→
O
2
−
(
g
)
;
Δ
H
∘
=
+
780
k
J
m
o
l
−
1
Thus, process of formation of
O
2
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in gas phase is unfavourable even though
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−
is isoelectronic with neon. It is due to the fact that:
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