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Question
Chemistry
Powder of beryllium burns in air frequently to produce
Q. Powder of beryllium burns in air frequently to produce
89
167
The s-Block Elements
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A
B
e
O
B
B
e
3
N
2
C
B
e
2
O
D
Both (a) and (b)
Solution:
Powdered beryllium burns brilliantly in air to give
B
e
O
and
B
e
3
N
2
.
B
e
2
O
is not formed as both
B
e
and
O
have valency equal to
2
.
The reactions involved are as follows :
2
B
e
+
O
2
⟶
2
B
e
O
3
B
e
+
N
2
⟶
B
e
3
N
2