nitric acid is light sensitve , it decomposes when expose in light. when aluminium is added to the conc HNO3 it remain passive in conc nitric acid,...... and moreover aluminium oxide layer is also form due to which it remain passive in conc nitric acid...
It is not recommended to store concentrated nitric acid in an aluminum vessel as nitric acid can react with aluminum, forming aluminum nitrate and liberating hydrogen gas, which can be hazardous. It is best to store nitric acid in containers made of compatible materials, such as glass or certain types of plastics.
When aluminum metal reacts with nitric acid, it produces aluminum nitrate, nitrogen dioxide gas, and water. This reaction is exothermic and can be violent if concentrated nitric acid is used.
Iron forms a protective oxide layer on its surface when exposed to air, which prevents further reaction with concentrated nitric acid. The oxide layer acts as a barrier, preventing the acid from coming into contact with the underlying iron metal, thereby making iron passive towards concentrated nitric acid.
Nitric acid can be dilute or concentrated. This is simply a matter of how much of it you have in a given amount of a solution, which is variable.
The salt formed when you mix aluminum oxide and nitric acid is aluminum nitrate. Aluminum oxide reacts with nitric acid to form aluminum nitrate and water.
It is not recommended to store concentrated nitric acid in an aluminum vessel as nitric acid can react with aluminum, forming aluminum nitrate and liberating hydrogen gas, which can be hazardous. It is best to store nitric acid in containers made of compatible materials, such as glass or certain types of plastics.
When aluminum metal reacts with nitric acid, it produces aluminum nitrate, nitrogen dioxide gas, and water. This reaction is exothermic and can be violent if concentrated nitric acid is used.
Iron forms a protective oxide layer on its surface when exposed to air, which prevents further reaction with concentrated nitric acid. The oxide layer acts as a barrier, preventing the acid from coming into contact with the underlying iron metal, thereby making iron passive towards concentrated nitric acid.
Pouring concentrated Nitric acid(HNO3). It will dissolve Silver but not Aluminium because, Aluminium will form a passivation layer which is resistant to Nitric acid
Mercury (as a metal) is soluble in concentrated nitric acid.
Mercury (as a metal) is soluble in concentrated nitric acid.
concentrated nitric acid concentrated sulphuric acid
Nitric acid can be dilute or concentrated. This is simply a matter of how much of it you have in a given amount of a solution, which is variable.
The salt formed when you mix aluminum oxide and nitric acid is aluminum nitrate. Aluminum oxide reacts with nitric acid to form aluminum nitrate and water.
The nitric acid used in laboratory is colorless. The very concentated nitric acid - the fumans acid - with dissolved nitrogen oxides, can release white, red or brown fumes, very corrosive and toxic.
It has to be very concentrated.
A dilute solution of nitric acid has a lower concentration of nitric acid molecules compared to a concentrated solution. This leads to the dilute solution having a lower acidic strength and being less corrosive. Concentrated nitric acid, on the other hand, has a higher concentration of nitric acid molecules, making it more acidic and corrosive.