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The pollutants which come directly in th...

The pollutants which come directly in the air from sources are called primary pollutes. Primary polluants are sometimes converted into secondary pollutants. Which of the following belongs to secondary air pollutants ?

A

`CO`

B

Hydrocarbon

C

Peroxyacetyl nitrate

D

NO

Text Solution

Verified by Experts

The correct Answer is:
C
Hydrocarbon present in atmosphere combine with oxygen atom produced by the photolysis of `NO_(2)` to form highly reative intermediate called free radical. Free radical linitiates a series of reaction.
Peroxyacetyl nitrates are formed. Which can be said as secondary pollutants.
`{:("Hydrocarbon"+OrarrRCO^(*)("free radicals")),(RCO^(*)+O_(2)rarrRCO_(3^(*))),(RCO_(3^(*))+NO_(2)rarrunderset("Peroxyacetyl nitrate")(RCO_(3)NO_(3))):}`
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