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Give two examples to show the anomalous ...

Give two examples to show the anomalous behavious of fluorine.

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Anomalous behaviour of fluorine
(i) It forms only one oxoacid as compared to other halogens that form a number of oxoacids.
(ii) Ionisation enthalpy, electronegativity, and electrode potential of fluorine are much higher than expected.
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NCERT-THE P-BLOCK ELEMENTS-EXERCISE
  1. Why is K(a(2)) ltlt K(a(1)) for H(2) SO(4) in water ?

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  2. Considering the parameters such as bond dissociation enthalpy, electro...

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  3. Give two examples to show the anomalous behavious of fluorine.

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  4. Sea is the greatest source of some halogens. Comment.

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  5. Give the reason for bleaching action of Cl2.

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

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  7. Why is ICI more reactive than I2?

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  8. Why is helium used in diving apparatus?

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  9. Balance the following equation: XeF6+H2OtoXeO2F2+HF

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  10. Why has it been difficult to study the chemistry of radon?

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  11. Discuss the general characteristics of Group 15 elements with referenc...

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  12. Why does the reactivity of nitrogen differ from phosphorus?

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  13. Discuss the trends in chemical reactivity of group 15 elements.

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

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  15. How is nitrogen prepared in the laboratory? Write the chemical equatio...

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  16. How is ammonia manufactured industrially?

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  17. Illustrate how copper metal can give different product on reaction wit...

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  18. Give the resonating structures of NO(2) and N(2)O(5).

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  19. The HNH angle value is higher than HPH, HAsH and HSbH angles. Why?

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  20. Why does R3P=O exist but R3N=O does not (R= alkyl group)?

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