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Give an example for amphoteric oxide....

Give an example for amphoteric oxide.

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`Al_(2)O_(3)`
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SUBHASH PUBLICATION-THE 'P'-BLOCK ELEMENTS-EXERCISE
  1. Among the following which one is more acidic ? Give reason. H(2)O,H(...

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  2. Why is H(2)O a liquid and H(2)S a gas?

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  3. Give an example for amphoteric oxide.

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

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  5. Give two examples to show that ozone is in oxidising agent.

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  6. Write the equation for the action of ozone with lead sulphide.

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  7. Mention the allotropic form of sulphur which is more stable above 369 ...

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  8. Complete the following equation NO + O(3)rarr

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  9. Give the conversation of (i) SO(2) " to " SO(2)Cl(2)

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  10. Give the conversation of (i) SO(2) " to " SO(3)

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  11. Given two examples to show that moist SO(2) is a reducing agent.

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  12. Complete the following equation. 2Fe^(3+)+SO(2)+2H(2)Orarr

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  13. Give the structure for (a) Sulphurous acid (b) Sulphuric acid (...

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  14. How is Cone. H(2)SO(4) manufactured by contact process ?

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  15. Complete the following equation. H(2)SO(4)+So(3)rarr?

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  16. Show that Conc. H(2)SO(4) is a dehydrating agent.

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  17. Complete the following equation. C(12)H(22)O(11)overset(H(2)SO(4))ra...

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  18. Complete the following equation and balance . * Cu+H(2)SO(4)rarr *...

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  19. Given two anomalous properties of fluorine

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  20. Fluorine exhibits only - 1 oxidation state , whereas other halogens ex...

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