Question:

When rain is accompanied by a thunderstorm, the collected rain water will have a pH value

Updated On: Jul 5, 2022
  • slightly lower than that of rain water without thunderstorm
  • slightly higher than that when the thunderstorm is not there
  • uninfluenced by occurrence of thunderstorm
  • which depends on the amount of dust in air
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The Correct Option is A

Solution and Explanation

During thunderstorm, there is formation of $ NO $ which changes to $ N{{O}_{3}} $ and ultimately to $ HN{{O}_{3}} $ (acid-rain). $ {{N}_{2}}+{{O}_{2}}\xrightarrow{{}}NO\xrightarrow{{{O}_{2}}}N{{O}_{2}} $ $ \xrightarrow{{}}{{N}_{2}}{{O}_{5}}\xrightarrow{{{H}_{2}}O}HN{{O}_{3}}(pH<7) $
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