# When rain is accompanied by a thunderstorm, the collected rain water will have a  $pH$  value Option 1) slightly lower than that of rain water without thunderstorm Option 2) lightly higher than that when the thunderstorm is not there Option 3) uninfluenced by occurrence of thunderstorm Option 4) which depends on the amount of dust in air.

As we leant in

Value of p(H) -

Acidic solution has p(H)  < 7

Basic solution has  p(H)  > 7

Neutral solution has p(H) = 7

-

Due to thunderstorm, temperature increases. As temperature increases $\left [ H^{+} \right ]$ also increases, hence $pH$ decreases.

Option 1)

slightly lower than that of rain water without thunderstorm

This option is correct.

Option 2)

lightly higher than that when the thunderstorm is not there

This option is incorrect.

Option 3)

uninfluenced by occurrence of thunderstorm

This option is incorrect.

Option 4)

which depends on the amount of dust in air.

This option is incorrect.

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