When zinc reacts with dilute nitric acid nitrous oxide is produced?

Asked By: Cataysa Bessogonov | Last Updated: 4th March, 2020
Category: science chemistry
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Answer: Zinc reacts with dilute nitric acid producing N2O in accordance with the following equation. 4Zn + 10HNO3 = 4Zn(NO3)2 +N2O+5H2O.

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Hereof, what are the products formed when zinc reacts with dilute nitric acid?

The products formed when zinc reacts with dilute nitric acid are zinc nitrate and hydrogen gas; i.e. 3Zn + 7HNO3 ---> Zn(NO3)2 + NH2OH + 2H2O; HNO3 + 6H ---> NH2OH + 2H2O ; (Hydroxylamine.) HNO3 + 8H ---> NH3 + 3H2O ; (Ammonia.)

Likewise, when zinc reacts with very dilute hno3 the oxidation state of nitrogen changes from? Generally, when zinc reacts with nitric acid, it forms zinc nitrate. But when we take very dilute solution of nitric acid, if forms ammonium nitrate as well. So, here Nitrogen is reducing from +5 to +4.

Also, what happens when zinc reacts with nitric acid?

Zinc reacts with concentrated Nitric acid to produce Zinc nitrate, nitrogen dioxide and water.

Why zinc does not react with nitric acid?

Aluminum and zinc do not react with concentrated nitric acid since a thick, hard to dissolve oxidation layer builds (passive oxidation) that protects the metal against further assaults.

33 Related Question Answers Found

What happens when dilute nitric acid reacts with magnesium?

Only 1% dilute and cold nitric acid reacts with magnesium and manganese to liberate Hydrogen gas.

What happens when zinc granules are treated with hno3?

Zinc reacts with dilute HCl to form zinc chloride and hydrogen gas. iii. Zinc reacts with dilute HNO3 and forms zinc nitrate, nitrous oxide and water.

What happens when iron reacts with nitric acid?

Iron react with nitric acid to produce iron(III) nitrate, nitrogen dioxide and water. Nitric acid - concentrated solution.

What happens when copper reacts with nitric acid?


Copper and Nitric Acid. Nitric acid reacts with copper according to the reaction: 4 HNO3(l) + Cu(s) ==> Cu(NO3)2(s and aq) + 2 NO2(g) + 2 H2O(l) The copper nitrate salt that forms is a deep blue color. The nitrogen dioxide is a maroon vapor.

Does copper react with nitric acid?

Copper is an unreactive metal and doesn't react in normal circumstances with dilute acids. However, it does react with nitric acid. Nitric acid is an oxidizing agent and the reaction is not the usual acid + metal reaction. The products are oxides of nitrogen instead of hydrogen.

What happens when granulated zinc reacts with dilute Sulphuric acid?

When zinc granules react with dilute sulphuric acid then the product will form is zinc sulphate and removal of hydrogen gas.

What happens when zinc reacts with sodium hydroxide?

Zinc is a transition metal which shows moderate reactivity. Zinc reacts with NaOH to form sodium zincate with the evolution of hydrogen gas.

What salt is formed in the reaction of zinc with nitric acid?

Zinc nitrate is usually prepared by dissolving zinc in nitric acid, this reaction is concentration dependent, with a reaction in concentrated acid also forming ammonium nitrate: Zn + 2 HNO3 (diluted) → Zn(NO3)2 + H.

What does zinc oxide and nitric acid make?


Zinc reacts with dilute Nitric acid to produce Zinc nitrate, nitric oxide, and water. 3Zn + 8HNO3 → 3Zn(NO3)2 + 2NO + 4H2O. Zinc reacts with concentrated Nitric acid to produce Zinc nitrate, nitrogen dioxide, and water.

How do metals react with nitric acid?

Reactive metals will react with nitric acid to give the metal nitrate and hydrogen gas. Less reactive metals do not produce hydrogen at all. With dilute acid one of the principal products is nitrogen monoxide, while with concentrated acid it is nitrogen dioxide.

Why zinc does not produce hydrogen with nitric acid?

Nitric acid(HNO3) is a strong oxidising agent. The Hydrogen gas produced during its reaction with metal gets oxidised to H2O, hence no hydrogen gas is produced. Instead it evolves nitric oxides such as NO2,NO etc.

Does Zinc react with acetic acid?

Zinc reacts with acetic acid to form zinc acetate and hydrogen gas. Because zinc is a post transition metal it may act like aluminum and not need these catalysts.

Does Aluminium react with nitric acid?

In actual , nitric acid don't reacts with aluminum . It'll react only when nitric is very dilute . Because when aluminium comes into contact with nitric acid, an impervious layer of aluminium oxide is formed. Thus this layer protect and prevent further reaction.

Why addition of zinc to dilute nitric acid is a chemical change?


Addition of zinc nitrate to water is a physical change as after dilution , the composition of the compound do not gets altered whereas the addition of zinc nitrate in dilute nitric acid gives two different compounds with different compositions .

Which metal reacts with hydrogen and hno3?

Magnesium and manganese react with very dilute nitric acid to liberate hydrogen gas.

Is dilute nitric acid an oxidizing agent?

Dilute nitric acid (HNO3) is an oxiding agent. Cocentrated nitric acid has greater oxidising power than the dilute acid. Dilute sulphuric acid (H2SO4) is a non-oxidising acid, though the concentrated acid in hot condition acts as an oxidising agent.