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Select the acidic and basic anhydrides f...

Select the acidic and basic anhydrides from the following :
`(i) Na_(2)O (ii) P_(4)O_(6) (iii) SO_(2) (iv) Al_(2)O_(3)`

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(i) Basic, (ii) Acidic, (iii) Acidic, (iv) Basic
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DINESH PUBLICATION-THE P-BLOCK ELEMENTS -Problems For Practice
  1. Out of O(2) " and " O(3) which is a better oxidising agent ?

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  2. What is the shape of ozone molecule ?

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  3. Select the acidic and basic anhydrides from the following : (i) Na(2...

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  4. Give two examples of mixed oxides.

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  5. What is the nature of the following oxides : (i) CO (ii) Al(2)O(3) (...

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  6. What happends when water is dropped over Na(2)O(2) ?

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  7. Why is O(3) more reactive than O(2) ?

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  8. Name two compounds in which oxygen has oxidation states different from...

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  9. How does sulphur normally exist ?

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  10. What is the hybridisation of sulphur in H(2)SO(4) ?

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  11. What is oil of vitriol ?

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  12. What is the IUPAC name of H(2)S(4) gas ?

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  13. What is the oxidation state of sulphur in (i) PbS (ii) SO(2) (iii) SO(...

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  14. What happens to sugar when conc. H(2)SO(4) is dropped on it ?

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  15. Which allotropic form of sulphur is not sharp melting ?

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  16. Which chemical is used to remove a fresh iodine stain ?

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  17. What are the colours of the following sulphides ? (i) CoS (ii) CuS (...

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  18. Out of 1 M H(2)SO(4) and 1 N H(2)SO(4), which is more concentrated an...

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  19. Which substance removes As(2)O(3) in contact process ?

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  20. Name the halogens that can form true chemical bonds with noble gases?

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