11th Class Chemistry Environmental Chemistry

  • question_answer 60)   Assertion (A): The pH of acid rain is less than 5.6. Reason (R): Carbon dioxide present in the atmosphere dissolves in rain and forms carbonic acid.


      (b) In acid rain pH is less than 7. Carbon dioxide dissolves in water to form weak acid. \[{{H}_{2}}O+C{{O}_{2}}\to \underset{Carbonic\,acid}{\mathop{{{H}_{2}}C{{O}_{3}}}}\,\]

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