HARD
JEE Main
IMPORTANT
Earn 100

Explain the following:
Ozone destroys mercury meniscus.

Important Questions on p-Block Group 16 (The Oxygen Family)
MEDIUM
JEE Main
IMPORTANT
Gaseous oxygen is colourless, liquid oxygen is pale blue and solid is blue, explain why?

MEDIUM
JEE Main
IMPORTANT
When is cooled below a reaction temperature, its paramagnetic character decreases, why?

MEDIUM
JEE Main
IMPORTANT
Which of the following does not react with oxygen directly?

MEDIUM
JEE Main
IMPORTANT
(ii) Why does act as a powerful oxidizing agent?

EASY
JEE Main
IMPORTANT
How is estimated quantitatively?

EASY
JEE Main
IMPORTANT
Which aerosols deplete ozone?

EASY
JEE Main
IMPORTANT
Which of the following reaction is carried out to obtain pure oxygen?

MEDIUM
JEE Main
IMPORTANT
Which of the following is responsible to turn the starch-iodide paper blue when it is brought in contact with
