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Tardigrade
Question
Chemistry
Amorphous boron on burning in air forms
Q. Amorphous boron on burning in air forms
2281
260
The p-Block Elements
Report Error
A
B
(
O
H
)
3
12%
B
Mixture of
B
2
O
3
and
BN
41%
C
Only
B
2
O
3
43%
D
Only
BN
4%
Solution:
4
B
+
3
O
2
1173
K
2
B
2
O
3
2
B
(
s
)
+
N
2
(
g
)
1173
K
2
BN
(
s
)