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JEE Main202325 Jan 2023Evening ShiftChemistryChemistry in Everyday LifeActual

A. Ammonium salts produce haze in atmosphere. B. Ozone gets produced when atmospheric oxygen reacts with chlorine radicals. C. Polychlorinated biphenyls act as cleansing solvents. D. ‘Blue baby’ syndrome occurs due to the presence of excess of sulphate ions in water. Choose the correct answer from the options given below:-

Options

  1. AA, B and C only
  2. BB and C only
  3. CA and D only
  4. DA and C only

Correct answer

D. A and C only

Step-by-step solution

A. Ammonium salts produce atmospheric haze (aerosol of fine particles). B. Ozone is produced by 3 atoms of oxygen. Some of the molecules in the atmosphere break due to sunlight and oxygen atoms are released. The oxygen atoms then react with other oxygen molecules to form ozone. The overall reaction is O 2   → UV   O   +   O O   +   O 2   →   O 3 C. Polychlorinated biphenyls have the number of applications including their use as cleansing solvents. D. 'Blue bab

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