CFCs are responsible for: | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) $CFCs$ (Chlorofluorocarbons) are primarily responsible for ozone layer depletion.$CFCs$ are used as refrigerants in refrigerators and air conditio

Vedclass · Accepted Answer

Ozone layer depletion

Vedclass · Answer

(A) $CFCs$ (Chlorofluorocarbons) are primarily responsible for ozone layer depletion.$CFCs$ are used as refrigerants in refrigerators and air conditioners,and as propellants in aerosol sprays. When these $CFCs$ reach the stratosphere,$UV$ rays break down the $CFC$ molecules,releasing chlorine $(Cl)$ atoms (free radicals).These chlorine free radicals react with ozone $(O_3)$ to convert it into oxygen $(O_2)$,thereby reducing the ozone content in the atmosphere. The reaction is as follows:$Cl + O_3 \rightarrow ClO + O_2$$ClO + O \rightarrow Cl + O_2$One chlorine free radical is sufficient to destroy a large number of ozone molecules because the chlorine radical is regenerated in the process,allowing it to continue the cycle of ozone destruction.

$CFCs$ are responsible for:

Similar Questions

The primary pollutant in jet plane emissions is:

Where is the ozone hole most prominent?

The ozone layer in the upper atmosphere $(stratosphere)$ is destroyed by which of the following chemicals, or which chemical is responsible for the reduction of the ozone content of the atmosphere?

The zone of the atmosphere in which the ozone layer is present is called:

The thickness of the ozone column in a column of air from the top of the atmosphere to the ground is measured in terms of $..........$.

Vedclass Test Series

Exam Paper Generator

Online Exam Module