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When some metals react with acid what gas do they give off?


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Answered 2015-09-06 08:10:23

For alkali metals hydrogen is released.

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metals react with some acid


Metals whose surfaces are "passivated" by for example the formation of an insoluble oxide do not react with acid. An example is aluminium which is resistant to dilute acid.


No. First of all, the metal does not dissapear. When a a metal reacts with an acid it forms a corresponding salt, which usually then dissolves. Second, whther or not a reaction occurs depends on both the acid and the metal. Most metals will not react with a dilute weak acid. Some metals will not even react with most strong metals. Gold, platinum, and some platinum group metals will not react with acid except for aqua regia, a special mixture of hydrochloric and nitric acid. Ruthenium will not react with acid at all.


Many acids will react with bases and, depending on the acid, some metals.


Nitric acid reacts strongly with many metals.


No, there are many metals which do not react with acid. Metals from copper downwards in the reactivity series do not react with acids (though you can get a different sort of reaction with concentrated oxidising acids). In addition, reactions which produce an insoluble salt, such as lead and dilute sulfuric acid, react only sluggishly. Some metals have a coherent oxide coating which prevents reaction with dilute acids, e.g. aluminium, and others quickly develop such a coating in concentrated nitric acid.


Vinegar (acetic acid) can react with some reactive metals as alkaline metals.


The answer depends on what the metal is. Some metals react readily with acid, and some do not.


No the dont some metals are resistant to acids while others are not. Also,some metals react easier than others. For example, magnesium reacts easier and better than zinc, iron or copper in hydrochloric acid solution.


Because they are able to dissolve and are more reactive than hydrogen


Some metals react with steam but not water because of their lower reactivity. They need to be heated and will give hydrogen gas and metal oxides.


Hydrogen gas. (But this is not with all metals as some like gold do not react with acid)


all those metals which are present below Hydrogen in the reactivity series like Ag , Cu , Au , Pt ,etc. ^^ He is incorrect. All metals, one or another, will react with some acids to produce Hydrogen Gas. -He mentioned Copper and Silver. Silver and Copper will react with Nitric Acid giving off Hydrogen and NitroDioxide Gas. He mentioned Gold and Platinum. Gold and Platinum will react with Aqua Regia (A mixture of Hydrogen Chloride and Nitric Acid) giving off Nitric Oxide, Nitrogen Dioxide, and Hydrogen gas. All metals will react with FluoroAntimonic Acid, Xenic Acid, or any other super acid to give off hydrogen gas and other gases as well.


No. Copper will not react with most acids. It will react with nitric acid to produce nitrogen dioxide. Gold and platinum will not react with nitric acid but will react with aqua regia, a mixture of hydrochloric and nitric acids to produce nitrogen dioxide and some nitric oxide. Rhenium does not react with acid at all.


Home/Sitemap · you are here: Forum => letter 18515 Acid and metal reaction++Q. When an acid is added to a metal, what kind of reaction is produced?A. Some acids react with some metals and not all acids react with all metals. It all depends on what is reacting with what. However, assuming there is a reaction, the acid will dissolve the metal to produce the metal salt of that acid; at the same time it will produce hydrogen gas. ie 2H+ + M = 2M+ + H2


No. Some of the less reactive metals, such as platinum, gold, silver, copper, and rhenium will not undergo this reaction. Copper and silver will react with nitric acid to produce nitrogen dioxide (NO2), a toxic brown gas. Gold and platinum will react with aqua regia, a mixture of nitric acid and hydrochloric acid, in a similar manner. Rhenium will not react with any acid.


There is a fault with the question. Acids react with metal -TRUE What metals react - all will with the right acid - some need extremely strong acids -gold for example needs aqua regia


Au and Pt are some metals which do not react with O.


It really depends on the type of acid and the metal. Metals like gold and platinum (and others metals which are called the noble metals) are impervious to acids except for aqua regia which is a mixture of hydrochloric and nitric acids. Some metals like copper won't react with acids unless there is also an oxidizer present like hydrogen peroxide and then some metals like zinc will react with most acids readily.


Some metals react faster than others in Hydrochloric acid because of their placement in the electrochemical series. The electrochemical series is an arrangement of various redox equilibria in order of their redox potential or standard electrode potential. Hydrogen is the base value at 0. The more negative the standard electrode potential of the metal, the faster it will react. It must be below hydrogen to react with hydrochloric acid.


Some acids react with some metals to form salts, yes.


Some metals react with bases and produce hydrogen gas


When acids react with metals they can produce hydrogen.


Acids don't actually melt metal, they oxidize or corrode them. Usually producing the corresponding metal salt and hydrogen gas. Most strong acids (hydrochloric, hydrobromic, hydroiodic, perchloric, nitric, and sulfuric acids) will oxidize metals in this manner. Some weak acids such as hydrofluoric acid can oxidize metals. Some metals, such as the alkali metals and alkaline earth metals will react with virtually any acid and even water. Nitric acid can oxidize copper, which normally doesn't react with acid. Aqua regia, a mixture of nitric acid and hydrochloric acid will oxidize gold and platinum, which are usually considered immune to corrosion.


A gas called hydrogen is given off when most metals react with aqueous hydrochloric acid. The ease with which this happens varies: All alkali metals reacts extemely quickly and, with the possible exception of lithium, dangerously. The alkaline earth metals, except beryllium and magnesium, are similar. Most other metals dissolve more slowly and may require heating to evolve the hydrogen gas, and some metals such as copper, gold, and platinum do not react at all.



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