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Tardigrade
Question
Chemistry
The carbon atoms in calcium carbide are held by
Q. The carbon atoms in calcium carbide are held by
2541
230
KEAM
KEAM 2019
Chemical Bonding and Molecular Structure
Report Error
A
Ionic bonds
100%
B
Two sigma bonds
0%
C
Teo sigma and one coordinate bond
0%
D
One sigma and two
π
bonds
0%
E
One sigma and one
π
bond
0%
Solution:
The carbon atoms in calcium carbide are held together by one sigma and two
π
-bonds.
The structural representation of
C
a
C
2
is
[
:
C
≡
C
:
]
2
−
C
a
2
+
This can be produced industrially from a mixture of lime and coke in an electric are furnace at
2
,
20
0
∘
C
.