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Why special methods are employed for the...

Why special methods are employed for the preparation of HBr and HI ?

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ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(SHORT ANSWER QUESTIONS)
  1. What are hallucinogens? Give their two examples. Mention their clinica...

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  2. Why does fluorine exhibit abnormal behaviour ?

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  3. Why special methods are employed for the preparation of HBr and HI ?

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  4. Explain the trends in property in halogen family as given under: (i)...

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  5. How will you account that when chlorine is pased through a fluoride so...

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  6. Fluorine is more electronegative than iodine atom, yet HF has lower ac...

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  7. State the trends observed in case of each of the following: (i) Oxid...

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  8. Give reasons for the following: (i) Binary compounds of oxygen and f...

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  9. What happens when : (i) Cl2 is passed through hot NaOH. (ii) Cl2 ...

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  10. Noble gases are relatively inert elements. Give reasons.

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  11. Why ease to liquefy noble gases increases with increase in atomic numb...

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  12. Give reasons which prompted Bartlett to react xenon with fluorine to f...

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  13. How are XeO(3) and XeOF(4) prepared?

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  14. Explain the following : Only higher members of group 18 of the perio...

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  15. Explain the following : Hydrogen fluoride is much less volatile than...

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  16. Explain the following : Interhalogen compounds are strong oxidising ...

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  17. Explain the hybridization in XeF2. Also draw its molecular structure.

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  18. Explain the hybridization in XeF4. Also draw its molecular structure.

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  19. Explain the hybridization in XeF(6-) . Also draw its molecular structu...

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  20. Explain the hybridization in XeOF(2-) . Also draw its molecular struct...

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