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Nitric acid reacts with most metals, but the details depend on the concentration of the acid and the nature of the metal. Dilute nitric acid behaves as a typical acid in its reaction with most metals. Magnesium, manganese, and zinc liberate H 2: Mg + 2 HNO 3 → Mg(NO 3) 2 + H 2 Mn + 2 HNO 3 → Mn(NO 3) 2 + H 2 Zn + 2 HNO 3 → Zn(NO 3) 2 + H 2
The reaction with hydrochloric acid is an equilibrium reaction that favors formation of tetrachloroaurate(III) anions. This results in a removal of gold ions from solution and allows further oxidation of gold to take place. The gold dissolves to become chloroauric acid. In addition, gold may be dissolved by the chlorine present in aqua regia.
The overall reaction is the sum of the first equation, 3 times the second equation, and 2 times the last equation; all divided by 2: 2NH 3 + 4O 2 + H 2 O → 3H 2 O + 2HNO 3 (ΔH = −740.6 kJ/mol) Alternatively, if the last step is carried out in the air, the overall reaction is the sum of equation 1, 2 times equation 2, and equation 4; all ...
Hydrated copper nitrate is prepared by treating copper metal or its oxide with nitric acid: [7] Cu + 4 HNO 3 → Cu(NO 3) 2 + 2 H 2 O + 2 NO 2. The same salts can be prepared treating copper metal with an aqueous solution of silver nitrate. That reaction illustrates the ability of copper metal to reduce silver ions.
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. The structure of silver nitrate has been examined by X-ray crystallography several times. In the common orthorhombic form stable at ...
Solvated electrons are involved in the reaction of alkali metals with water, even though the solvated electron has only a fleeting existence. [10] Below pH = 9.6 the hydrated electron reacts with the hydronium ion giving atomic hydrogen, which in turn can react with the hydrated electron giving hydroxide ion and usual molecular hydrogen H 2. [11]
Silver acetylide is an inorganic chemical compound with the formula Ag 2 C 2, a metal acetylide.The compound can be regarded as a silver salt of the weak acid, acetylene.The salt's anion consists of two carbon atoms linked by a triple bond, thus, its structure is [Ag +] 2 [− C≡C −].
Solutions of mercury(I) nitrate are acidic due to slow reaction with water: Hg 2 (NO 3) 2 + H 2 O ⇌ Hg 2 (NO 3)(OH) + HNO 3. Hg 2 (NO 3)(OH) forms a yellow precipitate. If the solution is boiled, or exposed to light, mercury(I) nitrate undergoes a disproportionation reaction yielding elemental mercury and mercury(II) nitrate: [3] Hg 2 (NO 3 ...