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Sulphurous acid is reducing agent due to...

Sulphurous acid is reducing agent due to

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Due to the presence of a lone pair of electrons on the sulphur atom, sulphurous acid can be easily oxidised to sulpphuric acid. Therefore, it acts as a reducing agent.
`H_(2)O + Br_(2) + H_(2)SO_(3) rarr 2HBr + H_(2)SO_(4)`
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PRADEEP-P-BLOCK ELEMENTS -VERY SHORT ANSWER QUESTIONS
  1. Arrange the following in order of property indicated for set: H(2)O...

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  2. (a) What happens when : (i) sulphur dioxide is passed through an aqueo...

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  3. Sulphurous acid is reducing agent due to

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  4. In the manufacture of sulphuric acid (H(2)SO(4)) the final product obt...

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  5. In solution of H(2)SO(4)when SO(3) is bubbled, a compound 'A' is forme...

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  6. Write one chemical reaction to show that conc. H(2)SO(4) can act as an...

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  7. Sulphuric acid is a dehydrating agent. Give one example.

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  8. Which of the following compounds has a lone pair of electrons at the c...

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  9. Write the structures of (i) peroxomonosulphric acid and (ii) peroxodis...

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  10. Both O(2) and F(2) stabilize high oxidation states but the ability of ...

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  11. Halogens are highly reactive ? Explain.

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  12. Which of the following exist as diatomic molecules?

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  13. Name the halogen with lowest ionization energy.

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  14. Fluorine is the most reactive of all four common halogens.

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  15. Most of the reactions of fluorine are exothermic. Give reasons.

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  16. Give one chemical method for the preparation of flourine.

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  17. Write the balanced equation for the following reaction. NaCl is heat...

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  18. Write the chemical equation to show that chlorine gas can be obtained ...

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  19. Write a balanced equation for the reaction of Cl(2) with cold and dilu...

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  20. What happens when chlorine gas is passed through a hot concentrated so...

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