Assertion : ${N O}_{3}^{-}$ is decomposed by urea in the mixture of ${N O}_{3}^{-}$ and ${N O}_{2}^{-}$ . Reason: ${N O}_{3}^{-}$ interferes in the ring test of ${N O}_{2}^{-}$ .

Read the above assertion 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 C Assertion is correct but Reason is incorrect
${N O}_{3}^{-}$ is decomposed by urea in the mixture of ${N O}_{3}^{-}$ and ${N O}_{2}^{-}$ .
$2 H N O_{2} + C O (N H_{2})_{2} \to C C O_{2} + N_{2} + 3 H_{2} O$
$N O_{2}^{-}$ interferes in the ring test of ${N O}_{3}^{-}$

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