Get premium membership and access questions with answers, video lessons as well as revision papers.

Describe the reduction of concentrated nitric (V) acid by sulphur (VI) oxide.

Describe the reduction of concentrated nitric (V) acid by sulphur (VI) oxide.

Answers

Procedure
- Sulphur (IV) oxide is bubbled through (into) a solution of concentrated nitric (v) acid.
Observation
- Brown fumes (of NO₂) are liberated.
Explanation
- Sulphur (IV) oxide reduces nitric (V) acid to nitrogen (IV) oxide (brown) while it is itself oxidized by HNO₃ to form H₂SO₄.
- Thus while SO₂ is the reducing agent; HNO₃ is the oxidizing agent.

---

Kavungya answered the question on April 29, 2019 at 13:26

Next: Use logarithms to evaluate, correct to 4 decimal places.
Previous: Tap P can fill a tank in 2 hours and tap Q can fill the same tank in 4 hours. Tap R can empty the...

View More Chemistry Questions and Answers | Return to Questions Index

Related Questions

• Explain Sulphur (IV) oxide as oxidizing agent.(Solved)
  

  Explain Sulphur (IV) oxide as oxidizing agent.

  Date posted: April 29, 2019.  Answers (1)

• Describe Sulphur (IV) oxide as bleaching agent.(Solved)
  

  Describe Sulphur (IV) oxide as bleaching agent.

  Date posted: April 29, 2019.  Answers (1)

• Describe the reaction of sulphur (VI) oxide with chlorine(Solved)
  

  Describe the reaction of sulphur (VI) oxide with chlorine.

  Date posted: April 29, 2019.  Answers (1)

• Describe the reaction of sulphuric (IV) oxide with sodium hydroxide(Solved)
  

  Describe the reaction of sulphuric (IV) oxide with sodium hydroxide.

  Date posted: April 29, 2019.  Answers (1)

• Explain Sulphur (IV) oxide as a pollutant.(Solved)
  

  Explain Sulphur (IV) oxide as a pollutant.

  Date posted: April 29, 2019.  Answers (1)

• State the raw materials in the manufacture of sulphuric (VI) acid.(Solved)
  

  State the raw materials in the manufacture of sulphuric (VI) acid.

  Date posted: April 29, 2019.  Answers (1)

• Describe the action of concentrated sulphuric (VI) acid on methanoic acid.(Solved)
  

  Describe the action of concentrated sulphuric (VI) acid on methanoic acid.

  Date posted: April 29, 2019.  Answers (1)

• Describe the action of sulphuric (VI) acid on oxalic acid.(Solved)
  

  Describe the action of sulphuric (VI) acid on oxalic acid.

  Date posted: April 29, 2019.  Answers (1)

• Describe the action of sulphuric (VI) acid on white sugar.(Solved)
  

  Describe the action of sulphuric (VI) acid on white sugar.

  Date posted: April 29, 2019.  Answers (1)

• Describe the action of sulphuric (VI) acid on blue hydrated copper (II) sulphate.(Solved)
  

  Describe the action of sulphuric (VI) acid on blue hydrated copper (II) sulphate.

  Date posted: April 29, 2019.  Answers (1)

• Describe an Experiment to show hygroscopic nature of concentrated sulphuric acid(Solved)
  

  Describe an Experiment to show hygroscopic nature of concentrated sulphuric acid.

  Date posted: April 29, 2019.  Answers (1)

• Describe the reactions of dilute sulphuric acid with oxides and hydroxides.(Solved)
  

  Describe the reactions of dilute sulphuric acid with oxides and hydroxides.

  Date posted: April 29, 2019.  Answers (1)

• Describe the reactions of dilute sulphuric acid with carbonates and hydrogen carbonates.(Solved)
  

  Describe the reactions of dilute sulphuric acid with carbonates and hydrogen carbonates.

  Date posted: April 29, 2019.  Answers (1)

• Describe the reactions of dilute sulphuric acid with metals.(Solved)
  

  Describe the reactions of dilute sulphuric acid with metals.

  Date posted: April 29, 2019.  Answers (1)

• Describe the laboratory preparation of hydrogen sulphide gas.(Solved)
  

  Describe the laboratory preparation of hydrogen sulphide gas.

  Date posted: April 29, 2019.  Answers (1)

• Explain hydrogen sulphide gas as a reducing agent.(Solved)
  

  Explain hydrogen sulphide gas as a reducing agent.

  Date posted: April 29, 2019.  Answers (1)

• Illustrate the action of hydrogen sulphide with hydrogen peroxide.(Solved)
  

  Illustrate the action of hydrogen sulphide with hydrogen peroxide.

  Date posted: April 29, 2019.  Answers (1)

• Describe the action of hydrogen sulphide with Red-brown bromine water.(Solved)
  

  Describe the action of hydrogen sulphide with Red-brown bromine water.

  Date posted: April 29, 2019.  Answers (1)

• Illustrate the action of hydrogen sulphide with concentrated sulphuric (VI) acid.(Solved)
  

  Illustrate the action of hydrogen sulphide with concentrated sulphuric (VI) acid.

  Date posted: April 29, 2019.  Answers (1)

• Describe the action of air on hydrogen sulphide.(Solved)
  

  Describe the action of air on hydrogen sulphide.

  Date posted: April 29, 2019.  Answers (1)