Nitrous acid is a weak and monoprotic acid known only in solution, in the gas phase and in the form of nitrite salts.
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10 Facts About Nitrous acid
2.
Nitrous acid is usually generated by acidification of aqueous solutions of sodium nitrite with a mineral acid.
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3.
Nitrous acid can be produced by dissolving dinitrogen trioxide in water according to the equation.
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4.
Nitrous acid is the main chemphore in the Liebermann reagent, used to spot-test for alkaloids.
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5.
Oxidation by nitrous acid has a kinetic control over thermodynamic control, this is best illustrated that dilute nitrous acid is able to oxidize I to I2, but dilute nitric acid cannot.
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6.
Base on the fact that dilute nitrous acid can oxidize iodide into iodine, it can be deduced that nitrous is a faster, rather than a more powerful, oxidizing agent than dilute nitric acid.
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7.
Nitrous acid is used to destroy toxic and potentially explosive sodium azide.
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8.
For most purposes, nitrous acid is usually formed in situ by the action of mineral acid on sodium nitrite:It is mainly blue in colour.
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9.
Nitrous acid reacts rapidly with aliphatic alcohols to produce alkyl nitrites, which are potent vasodilators:.
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10.
Nitrous acid is involved in the ozone budget of the lower atmosphere, the troposphere.
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