Uses - Oxides of nitrogen

The video tutorial covers the various oxides of nitrogen, focusing on nitric acid. It explains the preparation of nitric acid in the laboratory and industrially via the Ostwald process. The properties of nitric acid, including its physical and chemical characteristics, are discussed. The video also describes the brown ring test for detecting nitrate ions and highlights the uses of nitric acid in manufacturing fertilizers, explosives, and other compounds.

Which of the following is an oxoacid of nitrogen?

• H2SO4

• HNO3

• HCl

• H2CO3

What is the catalyst used in the Ostwald process for producing nitric acid?

• Nickel

• Platinum with rhodium

• Iron

• Copper

What is the boiling point of laboratory-grade nitric acid?

• 373.15 Kelvin

• 273.15 Kelvin

• 355.6 Kelvin

• 231.4 Kelvin

Which metal does not dissolve in concentrated nitric acid due to a passive film?

• Zinc

• Aluminium

• Iron

• Copper

What is the product when iodine is oxidized by concentrated nitric acid?

• Iodine monochloride

• Iodic acid

• Iodine trioxide

• Iodine pentoxide

What is the purpose of the brown ring test?

• To detect chloride ions

• To detect nitrate ions

• To detect phosphate ions

• To detect sulfate ions

In which industry is nitric acid NOT commonly used?

• Fertilizer production

• Rocket fuel

• Textile dyeing

• Pyrotechnics