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Which halogen acid is weakest of all ?...

Which halogen acid is weakest of all ?

A

HI

B

HF

C

HCl

D

HBr

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SHARAM PUBLICATION-GROUP 17 ELEMENTS (HALOGEN FAMILY)-EXERCISE
  1. In ordinary Cl2 gas Cl^35 and Cl^37 are in the ratio:

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  2. Why fluorine does exist in only oxidation state of -1 ?

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  3. Which halogen acid is weakest of all ?

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  4. Write the name of two oxoacids of iodine.

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  5. Which halogen does not form oxyacid ?

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  6. Which compound is produced by the reaction of chlorine with sulphur di...

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  7. Write the product formed when ammonia reacts with excess of chlorine.

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  8. Which has highest electron affinity?

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

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

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

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  12. Which of the hydrogen halides more acidic ?

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

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

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

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

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

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

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  19. Which element of Gr 17 shows hydrogen bonding ?

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  20. HF is less volatile than HCl. Explain.

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