MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryEnvironmental ChemistryO3, NO2 acrolein, formaldehyde and PAN
Match the terms given in Column I with the compounds given in Column II and choose the correct option from the codes given below. Column I Column II A. Acid rain B. Photochemical smog C. Combination with haemoglobin D. Depletion of ozone layer 1. CHCl2 – CHF2 2. CO 3. CO2 4. SO2 5. Unsaturated hydrocarbons Codes A B C D
A.3,4 5,4✓ Correct
B.2 1
C.1 2
D.5,4 3,4
Explanation
CFCs deplet the O3 layer, In acid rain H2CO3, H2SO4 and HNO3 are present. CO combines with haemoglobin to form carboxyhaemoglobin. SO2 and unsaturated hydrocarbons are component of photochemical smog.
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