D-And F-Block Elements Ques 356
Question: The test of ozone $ O_3 $ can be done by
[AFMC 1997]
Options:
A) $ Ag $
B) $ Hg $
C) $ Au $
D) $ Cu $
Show Answer
Answer:
Correct Answer: B
Solution:
$ 6Hg+O_3,\to ,\underset{\text{Mercurous oxide}}{\mathop{3Hg_2O}}, $
During this reaction, mercury loses its miniscus and starts sticking glass.