Advertisements
Advertisements
प्रश्न
Give balanced equations for formation of ozone molecules from oxygen molecules. What type of reaction takes place, during the formation.
Advertisements
उत्तर
The reaction that takes place during the formation is photolysis or photo dissociation. Highly energetic UV from the sun break the O2 molecule in two atoms. Highly reactive O atom reacts with O2molecule to from ozone O3
\[\ce{O2->[U.V][light][O] + [O]}\]
[O] + O2 → O3 [ozone]
APPEARS IN
संबंधित प्रश्न
Name the group of chemical compounds which damages the ozone layer.
Fill in the following blank with suitable word :
Ultraviolet rays can cause skin..............
How does ozone layer protect us from harmful effects in the environment?
What is UNEP?
The excessive exposure of humans to ultraviolet rays results in:
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
Is ozone depletion related to global warming?
Which Gas is present in large amount in the upper part of stratosphere.
State the role of chlorofluorocarbons in ozone destruction or depletion [no equations required].
Which of the following may be a conclusion of the excessive exposure of humans to sun’s ultraviolet rays?
- Peptic ulcers
- Eye disease like cataract
- Damage to lungs
- Skin cancer
Gas A, found in the upper layers of the atmosphere, is a deadly poison but is essential for all living beings. The amount of this gas started declining sharply in the 1980s.
- Identify Gas A. How is it formed at higher levels of the atmosphere?
- Why is it essential for all living beings? State the cause for the depletion of this gas.
