HARD
JEE Main
IMPORTANT
Earn 100

Ozone oxidizes certain metals like silver, mercury, copper etc to their corresponding oxides. Mercury is oxidized to mercurous oxide which of the following statements are correct about this reaction?
(a)This reaction is used as a test of ozone.
(b)Ionic equation:
(c) dissolves in which loses its meniscus and sticks to the glass. This is called tailing of mercury.
(d)The meniscus cannot be restored.

50% studentsanswered this correctly

Important Questions on p-Block Group 16 (The Oxygen Family)
HARD
JEE Main
IMPORTANT
Ozone is a powerful oxidising agent. It is the atomic oxygen that brings about the oxidation.
Molecular oxygen is set free. Select the incorrect statements from the following.

HARD
JEE Main
IMPORTANT
Select the correct statements from the following.

MEDIUM
JEE Main
IMPORTANT
In the preparation of by contact process, why is not absorbed directly in water to form

MEDIUM
JEE Main
IMPORTANT
What conditions should be maintained in order to maximise the yield of by contact process?

MEDIUM
JEE Main
IMPORTANT
What happens when sulphur dioxide is passed through an aqueous solution of salt?

MEDIUM
JEE Main
IMPORTANT
Comment on the nature of two bonds formed in molecule. Are the two bonds in this molecule equal?

MEDIUM
JEE Main
IMPORTANT
How is the presence of detected?

MEDIUM
JEE Main
IMPORTANT
Sugar turns black on addition of conc. Explain.
