Nitrite ion on addition of strong oxidizing agent such as acidified dichromate oxidizes it to:

nitrogen pentaoxide

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nitrogen dioxide

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nitrous oxide

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nitric acid

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Solution

The correct option is D nitric acid
When a nitrite ion added into acidic dichromate solution, it first converted into nitrate as

$3 N a N O_{2} + K_{2} C r_{2} O_{7} + 4 H_{2} S O_{4} \to 3 N a N O_{3} + C r_{2} (S O_{4})_{3} + K_{2} S O_{4} + 4 H_{2} O$

$N a N O_{3} + H_{2} O \to H N O_{3} N i t r i c a c i d + N a O H$

Option - (D)

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Similar questions

Strong oxidizing agents like acidified potassium dichromate convert alcohols directly to:

294 g

$x S n^{2 +} + y C r_{2} O_{7}^{2 -} + z H^{+} \to a S n^{4 +} + b C r^{3 +} + c H_{2} O$

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