Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
The gas evolved in tailing of mercury is
Q. The gas evolved in tailing of mercury is
1462
188
Punjab PMET
Punjab PMET 2011
Report Error
A
C
O
2
B
O
2
C
S
O
2
D
H
2
Solution:
Mercury in presence of ozone, oxydised to suboxide. It loses its meniscus and it is termed as tailing of mercury. The gas evolved is oxygen.
2
H
g
+
O
3
→
H
g
2
O
+
O
2
↑