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Which factor is responsible to make elec...

Which factor is responsible to make electron affinity of fluorine to be less than that of chlorine ?

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SHARAM PUBLICATION-GROUP 17 ELEMENTS (HALOGEN FAMILY)-EXERCISE
  1. Write the product formed when ammonia reacts with excess of chlorine.

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  2. Which has highest electron affinity?

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  3. Which factor is responsible to make electron affinity of fluorine to b...

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  4. What is the trend of oxidising power from fluorine to iodine ?

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  5. Explain what happens when HCl gas is passed through concentrated NaCl ...

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  6. Which of the hydrogen halides more acidic ?

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  7. Which halogen does not exhibit the oxidation state of +1?

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  8. Write the order of increase of oxidising power of halogens.

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  9. Which of the following elements does not show positive oxidation state...

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  10. What is the role of MnO2 in the preparation of Cl2 from HCI?

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  11. Which hydracid of halogen has the highest bond energy?

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  12. What is the physical state of bromine at room temperature ?

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  13. Which element of Gr 17 shows hydrogen bonding ?

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  14. HF is less volatile than HCl. Explain.

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  15. Which halogen acid is the strongest acid ?

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  16. Why OF2 should be called oxygen difluoride and not fluorine oxide ?

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  17. Write one oxyacid of chlorine having +7 oxidation state.

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

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  19. Why is Cl2 a gas but I2 is a solid ?

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  20. Which halogen on reaction with water librates oxygen gas.

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