Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
When potassium ferrocyanide crystals are heated with concentrated sulphuric acid, the gas evolved as
Q. When potassium ferrocyanide crystals are heated with concentrated sulphuric acid, the gas evolved as
2112
196
Coordination Compounds
Report Error
A
carbon monoxide
40%
B
sulphur dioxide
47%
C
ammonia
0%
D
carbon dioxide
13%
Solution:
K
4
[
F
e
(
CN
)
6
]
+
6
H
2
S
O
4
+
6
H
2
O
→
2
K
2
S
O
4
+
F
e
S
O
4
+
3
(
N
H
4
)
2
S
O
4
+
6
CO