When rain is accompanied by a thunderstorm,th | vedclass

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Question

(A) During a thunderstorm,high energy lightning causes atmospheric nitrogen and oxygen to react to form nitrogen oxides ($NO$ and $NO_2$).These oxides

Vedclass · Accepted Answer

Slightly lower than that of rainwater without a thunderstorm

Vedclass · Answer

(A) During a thunderstorm,high energy lightning causes atmospheric nitrogen and oxygen to react to form nitrogen oxides ($NO$ and $NO_2$).These oxides dissolve in rainwater to form nitric acid $(HNO_3)$ and nitrous acid $(HNO_2)$.The formation of these acids increases the concentration of $H^+$ ions in the rainwater.Consequently,the acidity of the rainwater increases,which leads to a decrease in the $pH$ value compared to normal rainwater.

When rain is accompanied by a thunderstorm,the collected rainwater will have a $pH$ value:

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