Advertisements
Advertisements
Question
Give reason for the following:
The formation of ozone involves a chemical reaction called photolysis.
Advertisements
Solution
With the help of UV rays
O2 molecule breaks into two oxygen atoms called photolysis.
\[\ce{O2 ->[UV][light] [O] + [O]}\]
Now more of O2 molecule combine with [O]
O2 + [O] → O3 ozone
APPEARS IN
RELATED QUESTIONS
What is the function of ozone in the upper atmosphere?
Fill in the following blank with suitable word :
Ultraviolet rays can cause skin..............
The gas A is used by most of the animals to obtain energy from food by the process of respiration. When A is acted upon by radiation X, it gets converted into another gas B which is an allotrope of A but poisonous when inhaled. B forms a kind of layer C in the upper atmosphere which absorbs radiations X coming from a source Y and prevent them from reaching the earth. Some chemicals Z released from the various devices on the earth are destroying the layer C slowly. In fact, a hole has already been formed in layer C over the area D of the earth.
(a) What are gases (i) A, and (ii) B? Write their molecular formulae.
(b) Name the layer C.
(c) What are (i) X, (ii) Y, and (iii) Z?
(d) Name the area D.
(e) Name any two human ailments which may be caused by X.
Which compounds are responsible for the depletion of ozone layer?
What would be the effects on widening of ozone hole?
Briefly explain depletion of ozone layer and its effects.
Explain ozone layer, its depletion and effects of ozone depletion.
What is an ozone layer. State the distribution of the ozone layer in the stratosphere.
Acid rain is caused by the oxides of ______.
A motor car, with its glass totally closed, is parked directly under the sun. The inside temperature of the car rises very high. Explain why?
