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Tardigrade
Question
Chemistry
A metallic carbide on treatment with water gives a colourless gas which bums readily in air and gives a precipitate with ammonical silver nitrate.The gas is
Q. A metallic carbide on treatment with water gives a colourless gas which bums readily in air and gives a precipitate with ammonical silver nitrate.The gas is
1640
173
Hydrocarbons
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A
Methane
20%
B
Ethene
21%
C
Ethyne
50%
D
Propane
10%
Solution:
C
a
C
2
+
2
H
2
O
→
C
a
(
O
H
)
2
+
C
2
H
2
C
2
H
2
+
air
5/2
O
2
→
2
C
O
2
+
H
2
O
H
C
≡
C
H
+
2
[
A
g
(
N
H
3
)
2
]
O
H
→
white ppt
A
g
C
≡
C
A
g
+
2
H
2
O
+
4
N
H
3