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The dioxide then disproportionates in water to nitric acid and the nitric oxide feedstock: 3 NO 2 + H 2 O → 2 HNO 3 + NO. The net reaction is maximal oxidation of ammonia: NH 3 + 2 O 2 → HNO 3 + H 2 O. Dissolved nitrogen oxides are either stripped (in the case of white fuming nitric acid) or remain in solution to form red fuming nitric acid.
It is a multi-step nitrogen fixation reaction that uses electrical arcs to react atmospheric nitrogen (N 2) with oxygen (O 2), ultimately producing nitric acid (HNO 3) with water. [1] The resultant nitric acid was then used as a source of nitrate (NO 3 −) in the reaction + + + which may take place in the presence of water or another proton ...
Dinitrogen pentoxide reacts with water to produce nitric acid HNO 3. Thus, dinitrogen pentoxide is the anhydride of nitric acid: [11] N 2 O 5 + H 2 O → 2 HNO 3. Solutions of dinitrogen pentoxide in nitric acid can be seen as nitric acid with more than 100% concentration.
The Ostwald process is a chemical process used for making nitric acid (HNO 3). [1] The Ostwald process is a mainstay of the modern chemical industry, and it provides the main raw material for the most common type of fertilizer production. [2]
Indeed silver nitrate can be prepared by dissolving silver in nitric acid followed by evaporation of the solution. The stoichiometry of the reaction depends upon the concentration of nitric acid used. 3 Ag + 4 HNO 3 (cold and diluted) → 3 AgNO 3 + 2 H 2 O + NO Ag + 2 HNO 3 (hot and concentrated) → AgNO 3 + H 2 O + NO 2
In aqueous solution, the nitrogen dioxide also disproportionates, for a net reaction producing nitric oxide and nitric acid: [4]: 1 [5] 3 HNO 2 → 2 NO + HNO 3 + H 2 O Consequently applications of nitrous acid usually begin with mineral acid acidification of sodium nitrite .
2 HNO 3 ⇌ H 2 NO + 3 + NO − 3 ⇌ H 2 O + [NO 2] + + [NO 3] −. Two hydrates, HNO 3 ·H 2 O and HNO 3 ·3H 2 O, are known that can be crystallised. It is a strong acid and concentrated solutions are strong oxidising agents, though gold, platinum, rhodium, and iridium are immune to attack.
Nitric acid (HNO 3) is an acid because it donates a proton to the water molecule and its conjugate base is nitrate (NO − 3). The water molecule acts as a base because it receives the hydrogen cation (proton) and its conjugate acid is the hydronium ion (H 3 O +).