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SS2: CHEMISTRY - 3RD TERM

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  1. Hydrogen and its Compounds | Week 1
    7 Topics
    |
    1 Quiz
  2. Oxygen and its Compounds | Week 2
    7 Topics
    |
    1 Quiz
  3. Halogens, Chlorine and its Compounds | Week 3
    7 Topics
    |
    1 Quiz
  4. Hydrogen Chloride and Hydrochloric Acid | Week 4
    5 Topics
    |
    1 Quiz
  5. Nitrogen and Its Compounds | Week 5
    9 Topics
    |
    1 Quiz
  6. Ammonia | Week 6
    9 Topics
    |
    1 Quiz
  7. Sulphur and its Compounds | Week 7
    13 Topics
    |
    1 Quiz
  8. Hydrocarbons | Week 8
    12 Topics
    |
    1 Quiz
  9. Alkanols | Week 9
    4 Topics
    |
    1 Quiz

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Topic Content:

  • Laboratory Preparation of Trioxosulphate(IV) Acid
  • Physical Properties of Trioxosulphate(VI) Acid
  • Chemical Properties of Trioxosulphate(VI) Acid
  • Test for Trioxosulphate(IV) Acid
  • Uses of Trioxosulphate(IV) Acid

Trioxosulphate(IV) acid is a dibasic acid with a molecular formula H2SO3.

Laboratory Preparation of Trioxosulphate(IV) Acid:

It is prepared by the action of dilute hydrochloric acid on heated sodium trioxosulphate(IV) to liberate
sulphur(IV) oxide.

Na2SO3(s) + 2HCl(aq) → 2NaCl(aq) + H2O(l) + SO2(g)

 

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