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Oxoacids of Nitrogen

Which of the ...

Question

Which of the following names are correct for the given oxyacids?

A

H N O_{3}

- Nitrous acid

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B

H N O_{2}

- Nitrous acid

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C

H N O

- Polynitryl acid

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D

H N O_{3}

- Nitric acid

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Solution

The correct option is D $H N O_{3}$ - Nitric acid
$H N O_{2}$ is named as nitrous acid. Let us look at the structure:

Although not shown here, each oxygen atom has two lone pairs while the nitrogen has one lone pair. Can you guess the oxidation state of the Nitrogen atom here?
$H N O_{3}$ is nitric acid.It has the structure:

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