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What is oleum ?...

What is oleum ?

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Oleum is pyrosuphuric acid obtained when `SO_(2)`
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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-VERY SHORT ANSWER - TYPE QUESTIONS
  1. Phosphoric acid is syrupy liquid - why ?

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  2. Explain why BiH(3) is the strongest reducing agent among the hydri...

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  3. Which group-16 elements has the highest electronegativity ?

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  4. Which of the group-15 hydrides has the highest electronegativity ?

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  5. H(2)S is more acidic than H(2)O why ?

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  6. Mention the shape of SF(6) molecule.

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  7. Unlike sulphur , oxygen does not exhibit + 4 and = 6 states - why ?

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  8. Give example of two compounds one in which the oxidation state of ...

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  9. Given an example of a salts which produces dioxygen when heated.

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  10. Explain why SO(2) possesses considerbale reducing property.

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  11. What is oleum ?

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  12. Prove that fluorine is a stronger oxidising agent that chorine .

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  13. Give an example of a compound where oxidation state of CI is + 7.

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  14. Explain why HF is the weakest among the halogen hydracids even thou...

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  15. Explain why fluorine does not form F(3)^(-) ions.

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  16. Name a poisonous gas which can be prepared form CI(2) gas .

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  17. Which halogen hydracid cannot be stored in a glass vessel ?

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  18. Which oxoacid of chlorine is the strongest one?

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  19. Give an example of an interhalogen compound which is pentagonal bipy...

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  20. Which noble gas compound is isostructural with I Br(2)^(-) ?

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