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H2S acts only as reducing agent while SO...

`H_2S` acts only as reducing agent while `SO_2` acts as an oxidising as well as reducing agent. Why?

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ASSAM ACADEMIC CENTRE-The p-Block Elements-Example
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  2. How will you account for the following: NCl3 is readily hydrolysed whi...

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  3. H2S acts only as reducing agent while SO2 acts as an oxidising as well...

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  4. Fluorine exhibits only+1 oxidation state, whereas other halogens also ...

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  5. Arrange HClO4, HClO3, HCIO2 and HClO in increasing orders of their Aci...

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  6. Bond angle in PH4^+ is higher than that is PH3.

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  7. Give two examples of anomalous behaviour of fluorine?

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  8. Explain the bleaching action of Cl2.

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  9. Name two poisonous gases which can be prepared from chlorine gas.

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  10. Why does the reactivity of nitrogen differ from phosphorous?

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  11. Why does NH3 form hydrogen bond but PH3 does not?

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  12. Explain why NH3 is basic while BiH3 is only feebly basic.

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  13. Nitrogen exists as diatomic molecule and phosphorous as P4.

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  14. Sulphur is a solid while oxygen is a gas at room temperature why?

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  15. Name a aerosol that depletes ozone.

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  16. Why are halogens coloured?

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  17. Write balanced equations for the following: NaCl is heated with sulphu...

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  18. Write balanced equations for the following: Chlorine gas is passed int...

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  19. In the contact process for the manufacture of H2SO4 some amount of sul...

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  20. Why SO2 is a better reducing agent in alkaline medium as compared to t...

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