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Select the correct answer.

What is the formula of nitrous acid?

A. HN
B. HNO
C. HNO₂
D. H₂NO


Sagot :

Final answer:

Nitrous acid has the formula HNO2 and plays important roles in industrial processes and chemistry due to its weak acidic nature.


Explanation:

The formula of nitrous acid is HNO2. Nitrous acid, although not isolated as a pure compound, is essential in various industrial processes like hydroxylamine production and diazotization. It is a weak acid with a pKa of 3.15 at 25°C.


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