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Question
Chemistry
Ozone can be tested by
Q. Ozone can be tested by
1619
166
Haryana PMT
Haryana PMT 2010
Report Error
A
A
g
B
H
g
C
Z
n
D
A
u
Solution:
Ozone can be tested by Hg (mercury).
2
H
g
+
O
3
→
mercurous oxide
H
g
2
O
+
O
2
During this reaction mercury loses its meniscus and starts sticking to the side of the glass. This is known as tailing of mercury.