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Give reason for the following : PbCl(4...

Give reason for the following :
`PbCl_(4)` is more covalent than `PbCl_(2)`.

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Due to high oxidising power, halogens combine directly with most metals to form their corresponding halides . But if the metal exhibit more than one oxidation states the halide in higher oxidation state will be more covalent than the one in lower oxidation state. Therefore `PbCl_(2)` is more covalent than `PbCl_(2)` because Pb exhibits more than one oxidation states .
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OSWAAL PUBLICATION-P - BLOCK ELEMENTS-TOPIC - 3 (GROUP - 17 ELEMENTS, THEIR PROPERTIES AND SOME IMPORTANT COMPOUNDS)(VERY SHORT ANSWER TYPE QUESTIONS)
  1. Write the reaction of F(2) with water.

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  2. Write the reaction of Cl(2) with water.

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  3. write the balanced equation when Chlorine gas is passed into a solut...

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  4. Reaction of Cl(2) with slaked lime. (only reaction)

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  5. Give the reason for bleaching action of Cl(2).

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  6. Name one poisonous gas which can be prepared from chlorine gas.

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  7. Arrange HClO, HBrO and HIO in order of decreasing acidic strength givi...

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  8. Why interhalogens are more reactive than halogens?

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  9. Name the halogen which does not exhibit positive oxidation state .

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  10. Can FCI(3) exist ? Comment.

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  11. Name the most electronegative element in the periodic table.

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  12. Name the element which has highest electron affinity or electron gain ...

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  13. Halogens have maximum negative electron gain enthalpy in the respectiv...

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  14. Mention the colour of halogens.

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  15. Although electron gain enthalpy of fluorine is less negative as compar...

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

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  17. Bond enthalpy of fluorine is lower than that of chlorine why ?

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  18. Give reason for the following : F(2) is more reactive than CIF(3) bu...

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  19. Bond entnalpy of F(2) is less than of Cl(2).

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  20. Give reason for the following : PbCl(4) is more covalent than PbCl(2...

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