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Byju's Answer
Standard XIII
Chemistry
Properties of Oxygen
Og+e-⟶ O-g, ...
Question
O
(
g
)
+
e
−
⟶
O
−
(
g
)
,
△
H
e
g
=
−
v
e
A
True
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B
False
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Solution
The correct option is
A
True
Suggest Corrections
0
Similar questions
Q.
O
(
g
)
+
e
−
→
O
−
(
g
)
Δ
H
1
O
−
(
g
)
+
e
−
→
O
−
2
(
g
)
Δ
H
2
O
2
(
g
)
→
O
+
2
(
g
)
+
e
−
Δ
H
3
O
(
g
)
→
O
+
(
g
)
+
e
−
Δ
H
4
H
2
(
g
)
→
H
+
2
(
g
)
+
e
−
Δ
H
5
H
(
g
)
→
H
+
(
g
)
+
e
−
Δ
H
6
O
(
g
)
+
2
e
−
→
O
−
2
Δ
H
7
Which of the following option(s) is/are correct?
Q.
Consider the following reactions :
O
(
g
)
+
e
−
→
O
−
(
g
)
,
Δ
H
1
F
(
g
)
+
e
−
→
F
−
(
g
)
,
Δ
H
2
C
l
(
g
)
+
e
−
→
C
l
−
(
g
)
,
Δ
H
3
O
−
(
g
)
+
e
−
→
O
2
−
(
g
)
,
Δ
H
4
The correct statement(s) is/are
Q.
O
(
g
)
+
e
−
→
O
−
(
g
)
Δ
H
1
O
−
(
g
)
+
e
−
→
O
−
2
(
g
)
Δ
H
2
O
2
(
g
)
→
O
+
2
(
g
)
+
e
−
Δ
H
3
O
(
g
)
→
O
+
(
g
)
+
e
−
Δ
H
4
H
2
(
g
)
→
H
+
2
(
g
)
+
e
−
Δ
H
5
H
(
g
)
→
H
+
(
g
)
+
e
−
Δ
H
6
O
(
g
)
+
2
e
−
→
O
−
2
Δ
H
7
Which of the following option(s) is/are correct?
Q.
The formation of the oxide ion
O
2
−
(
g
)
requires first an exothermic and then an endothermic step as shown below.
O
(
g
)
+
e
−
=
O
−
(
g
)
;
Δ
H
0
=
−
142
k
J
m
o
1
−
1
O
(
g
)
−
+
e
−
=
O
2
−
(
g
)
;
Δ
H
0
=
844
k
J
m
o
1
−
1
This is because:
Q.
The formation of the oxide ion
O
2
−
(
g
)
requires first an exothermic and then an endothermic step as shown below
O
(
g
)
+
e
−
→
O
−
(
g
)
;
△
H
o
=
−
142
k
J
m
o
l
−
1
O
(
g
)
+
e
−
→
O
2
−
(
g
)
;
△
H
o
=
−
844
k
J
m
o
l
−
1
The correct statement is:
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