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Byju's Answer
Standard XII
Chemistry
Reactivity with Air CO2 and Water (Group 1)
Which of the ...
Question
Which of the following substances are formed when lithium is heated in air?
A
L
i
2
O
+
L
i
O
2
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B
L
i
2
O
2
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C
L
i
O
2
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D
L
i
2
O
+
L
i
3
N
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Solution
The correct option is
D
L
i
2
O
+
L
i
3
N
2
L
i
+
1
2
O
2
⟶
L
i
2
O
6
L
i
+
N
2
⟶
2
L
i
3
N
A mixture of
L
i
2
O
and
L
i
3
N
Suggest Corrections
0
Similar questions
Q.
The main oxides formed on the combustion of
L
i
,
N
a
and
K
in excess of air are, respectively:
Q.
When
N
a
and
L
i
are placed in dry air, we get:
Q.
Lithium on heating in air forms mainly
L
i
2
O
(oxide) and not peroxide
(
L
i
2
O
2
)
. If true enter 1 else 0.
Q.
Lithium forms
L
i
2
O
while other alkali metals form peroxides and super oxides because:
Q.
Lithium oxide is used to remove water from air according to the reaction:
L
i
2
O
+
H
2
O
→
2
L
i
O
H
If
72
k
g
of water is to be removed and
35
k
g
of
L
i
2
O
is available. Which is a limiting reactant?
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Reactivity with Air CO2 and Water (Group 1)
Standard XII Chemistry
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