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Photochemical smog :...

Photochemical smog :

A

`H_(2)SO_(4)+HNO_(3)`

B

Vapours of `H_(2)SO_(4)`

C

`PAN+O_(3)+NO_(x)`

D

`PAN+H_(2)SO_(4)`\

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Assertion : Photochemical smog is mainly composed of nitrogen oxides, volatile organic compounds, ozone and peroxyacyl nitrates. Reason : Photochemical smog develops in cold weather conditions by the interaction of secondary pollutants.

    A
    (a) Both, Assertion and Reason, are true and Reason is the correct explanation of Assertion
    B
    (b) Both, Assertion and Reason, are true but Reason is not the correct explanation of Assertion
    C
    (c) If Assertion is true but Reason is false
    D
    (d) If Assertion is false but Reason is true

  • Identify the correct statements., (i) Winter smog is reducing in nature due to presence of particular carbon and SO_(2) (ii)The pollutant obtained from emission tubes of diesel engines is benzopyrene. (iii) Photochemical smog is made up of PAN , O_(3) and oxides of nitrogen (iv) CFCs are stable in troposphere and act as pollutants in stratosphere

    A
    (ii),(iii) and (iv)
    B
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    C
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  • Read the following statements regarding the PAN (Peroxyacyl nitrates) and select the correct ones. (i) It is a secondary pollutant present in photochemical smog. (ii) It is produced by photochemical reactions between hydrocarbons and nitrogen oxides in the presence of sulight or UV radiations. (iii) It is thermally unstable and decomposes into peroxyethanoyl radicals and nitrogen dioxide gas. (iv) It is a lacrymatory substance, causing irritation of eyes.

    A
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    D
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