A) \[Ag\]
B) \[Hg\]
C) \[Zn\]
D) \[Au\]
Correct Answer: B
Solution :
Ozone can be tested by Hg (mercury). \[2Hg+{{O}_{3}}\xrightarrow{{}}\underset{\begin{smallmatrix} mercurous \\ oxide \end{smallmatrix}}{\mathop{H{{g}_{2}}O}}\,+{{O}_{2}}\] During this reaction mercury loses its meniscus and starts sticking to the side of the glass. This is known as tailing of mercury.You need to login to perform this action.
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