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Dinitrogen Pentoxide Formula – Structure, Properties, Uses, Sample Questions

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  • Last Updated : 30 Nov, 2022
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Dinitrogen Pentoxide Formula contains  2 nitrogen and 5 oxygen atoms. Nitrogen is one of the most common chemical elements with the symbol N. Its atomic number is 7. It is found in huge quantities in Earth’s crust. It is a nonmetal and the lightest member of group 15 of the periodic table. It is used for food preservation and food packing. Nitrogen is used in the light bulb industry. Used in chemical analysis and the chemical industry.

Oxygen is a chemical element and its symbol is O. Its atomic number is 8. It is one of the most abundant elements in the Earth’s crust. It is an essential element in most combustion processes. It is used as an oxidizing agent in rocket fuels. And also used for artificial respiration.

Dinitrogen Pentoxide

Dinitrogen Pentoxide is a chemical compound containing oxygen-nitrogen atoms only. It is the anhydride form of nitric acid that can exist as a colorless crystal. It is made up of two nonmetals Oxygen and nitrogen. It is a powerful oxidizing agent with the chemical formula N2O5. at room temperature into nitrogen oxide and NO2. It is also called nitric anhydride. It is used as a robust oxidizer in high-fuel rockets. It is one of the important elements in the entire universe.

Structure Of Dinitrogen Pentoxide

The chemical formula of Dinitrogen Pentoxide is N2O5. To draw the Lewis structure for Dinitrogen Pentoxide first find out the valance electrons. It has 40 valance electrons which are connected using ionic bonds. Start with a skeleton structure to save time. the central atom is oxygen. Fill the atoms with valence electrons until satisfied their octets are. Then the octets are fulfilled for all the atoms except the central Oxygen which only has 4 valence electrons giving us an octet on this central Oxygen.

Structure Of Dinitrogen Pentoxide

Dinitrogen Pentoxide

Preparation Of Dinitrogen Pentoxide

  • It is prepared when phosphorus pentoxide reacts with nitric acid.

2 HNO3 + P2O5 —-> N2O5 +   2 HPO3

  • oxygen reacts with nitrogen to produce   Dinitrogen Pentoxide

5 O2 + 2 N2 ——> 2 N2O5.  

  • Nitrogen dioxide reacts with trioxygen to form Dinitrogen Pentoxide

2 NO2 +O3 —–> O2 + N2O5

  • Nitrogen monoxide reacts with dioxygen to produce dinitrogen pentoxide

3 O2 + 4 NO —-> 2 N2O5

Physical properties Of Dinitrogen Pentoxide

  • Molecular weight of Dinitrogen Pentoxide is 108.01 g/mol
  • Its density is 1.64 g/cm3
  • Its melting point is 41οC
  • Its boiling point is 47οC

Chemical Properties Of Dinitrogen Pentoxide 

  • The chemical formula of Dinitrogen Pentoxide is N2O5.
  • Dinitrogen pentoxide reacts with sodium hydroxide to form sodium nitrate and water the chemical equation is given below.

2 NaOH + N2O5 ——> H2O + 2 Na2NO3

  • Potassium hydroxide reacts with dinitrogen pentoxide to form Potassium Nitrate and water.

2KOH  +  N2O5   ——-> H2O + 2KNO3

  • Dinitrogen reacts with water to form nitric acid

N2O5 + H2O ——-> 2 HNO3

  • Dinitrogen pentoxide reacts with oxygen to form nitrogen dioxide

2 N2O5 —–> O2 + 4 NO2

Uses Of Dinitrogen Pentoxide 

  • Dinitrogen Pentoxide is used as a nitrating agent in modern synthetic organic chemistry.
  • It is used to make explosives.
  • It is used as an oxidizer in high-fuel rockets.
  • It is used as a solvent for various compounds.
  • It is used as a reagent dissolved in chloroform for nitration.

FAQs on Dinitrogen Pentoxide 

Question 1: Is Dinitrogen Pentoxide covalent or ionic in nature?


Dinitrogen pentoxide is an ionic compound in this compound it has nitrogen and oxygen this nitrogen and oxygen are bonded together through covalent bond, and hydrogen bonds.

Question 2: Is Dinitrogen Pentoxide soluble in water?


The chemical formula of Dinitrogen Pentoxide is N2O5. It is not soluble in water but is soluble in alcohols and ethers.

Question 3: What are the uses of Nitrogen?


Nitrogen is a chemical element with the symbol N . It is used to make fertilizers, nitric acid, dyes nylon, and explosives. it is commonly used during sample preparation in chemical analysis. It is used in the manufacture of ammonia to produce nitric acid. And it is used as a fertilizer.

Question 4: Is Dinitrogen Pentoxide acidic or basic in nature?


Nitrogen Pentoxide is an acidic oxide. Oxides of metals are basic in nature and oxides of non-metals are acidic in nature. The acidic nature of Dinitrogen Pentaoxide depends upon its oxidation state.

Question 5: Write a few points about Oxygen.


Oxygen is a chemical element with the symbol O. It is a colorless, odorless, tasteless gas essential to living organisms. It is a member of the chalcogen group and the periodic table. Oxygen gas is found mainly in the atmosphere. It helps organisms grow reproduce and turn food into energy. The common uses of oxygen in the production of Steel, plastics, and textiles, brazing, welding, and cutting of steel and other metals.

Question 6: What type of compound is Dinitrogen Pentoxide?


Dinitrogen Pentoxide is the chemical compound with the formula N2O5. It is also known as nitrogen pentoxide or nitric anhydride. It is one of the binary nitrogen oxides, a family of compounds that only contain nitrogen and oxygen.

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