Assertion :Some farmers feel that lightning helps produce better crop. Reason: Lighting forms No which is converted to $N o_{2}, H N O_{2}$ and $H N O_{3}$ under atomospheric condition. Thus, $N O_{3}^{-}$ is a source of nutrients (fertilisers) to the plant. Thus there are chances of better crops when lightning occurs.

Read the above assertion and reason and choose the correct option regarding it.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Reaction:
$N_{2} + O_{2} l i g h t e n i n g - ------- \to 2 N O$
$2 N O + O_{2} ⟶ 2 N O_{2}$
$2 N O_{2} + H_{2} O ⟶ H N O_{2} + H N O_{3}$
So, lighting forms NO which is converted to $N O_{2}, H N O_{2}$ and $H N O_{3}$ under atomospheric condition. Thus, $N O_{3}^{-}$ is a source of nutrients (fertilisers) to the plant. Thus there are chances of better crops when lightning occurs.

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