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Fill in the blanks : Among halogens , ……...

Fill in the blanks : Among halogens , ………… is least reactive.

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SHARAM PUBLICATION-GROUP 17 ELEMENTS (HALOGEN FAMILY)-EXERCISE
  1. Fill in the blanks : Halogen extracted from sea weed is ………..

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  2. Fill in the blanks : In the oxo acids of halogens, hydrogen is present...

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  3. Fill in the blanks : Among halogens , ………… is least reactive.

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  4. Fill in the blanks : The reactivity of halogens …………. With increase in...

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  5. Electron affinity of flourine is less than that of chlorine Why ?

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  6. Why is the bond dissociation energy of F2 less than that of Cl2 ?

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  7. Why 'F' does not exhibit any positive oxidation state ?

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  8. Why is F2 stronger oxidising agent than Cl2 ?

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  9. In aqueous solution HF is weaker acid than HCl ?

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  10. Arrange HClO4. HClO3, HClO2 and HClO in the order of oxidising power.

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  11. Explain that bleaching action of CL2 is permanent, while that of SO2 i...

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  12. What are interhalogen compounds ? Why are these more reactive than hal...

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  13. How are interhalogen compounds formed ? Give general formula.

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  14. Fluorine never acts as the central atom in polyatomic interhalogen com...

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  15. Fluorine exhibits only-1 oxidation state, while iodine exhibits oxidat...

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  16. What is the action of Cl2 with ammonia ?

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  17. Why is ICl more reactive than I(2)?

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  18. HF is a liquid whereas HCl is a gas. Explain.

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  19. Why is iodine solid, but other halogens are not ?

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  20. Write two characterstic properties of interhalogen compounds.

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