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Mention three anomalouos behaviour of ox...

Mention three anomalouos behaviour of oxygen.

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(i) Oxygen is diatomic gas while other elements of this group are solids.
(ii) Oxygen forms hydrogen bonds while other elements do not.
(iii) Oxygen has a maximum covalency of four while other elements can show a maximum of six.
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OSWAAL PUBLICATION-P - BLOCK ELEMENTS-TOPIC - 2 (GROUP - 16 ELEMENTS, THEIR PROPERTIES AND SOME IMPORTANT COMPOUNDS)(LONG ANSWER TYPE QUESTIONS - I)
  1. Complete the following equations : (i) 5SO(2)+2MnO(4)^(-)+2H(2)Orarr...

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  2. Draw the flow chart for the manufacture of sulphuric acid by Contact p...

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  3. (i) What happens when potassium chlorate is heated in presence of MnO(...

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  4. Describe the preparation of Ozonised oxygen with an equation. Name the...

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  5. Explain charring action of concentrated sulphuric acid on carbohydrate...

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  6. Complete the following equations : (i) 2KClO(3)overset(MnO(2)" Heat"...

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  7. Mention three anomalouos behaviour of oxygen.

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  8. Complete the following equations i) CH(4)+2O(2)rarr ii) 2Fe^(3+)+S...

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  9. Write the equation for i) The action of SO(2) with chlorine in the p...

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  10. Write the equations involved in the manufacture of sulphuric acid in c...

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  11. Justify the placement of O, S, Se, Te and Po in the same group of the ...

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  12. Oxygen is a gas but sulphur a solid. Explain.

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  13. Write balanced chemical equations for the following : (i) NaCl is he...

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  14. Account for the following : (i) PCl(5) is more covalent than PCl(3)....

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  15. Account for the following : (i) PCl(5) can act as an oxidising agent...

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  16. How would you account for the following : (i) H(2)S is more acidic t...

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  17. Account for the following : (i) Ammonia is more basic than phosphine...

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  18. How would you account for the following : (i) The electron gain enth...

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