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Which of the group-15 hydrides has the ...

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

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The correct Answer is:
`H_(2)O`
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Which of the group-15 hydrides has the (1) highest thermal stability , (2) lowest boiling point,(3) highest reducing strenght (4) highest basic strength ?

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Elements A, B and C have atomic numbers (Z-2), Z and (Z+1) respectively. Of these, B is an inert gas. (1) Which one of these has the highest electronegativity? (2) Which one of the these has thhe highest ionisation potential?

Elements A, B ,C and atomic number (Z-2), Z and (Z+1) respectively. Of these, B is an inert gas. (a) which one of these has the highest electronegativity? (b) which one of these has the highest value of ionisation potential (c) what is the compound formed by the combination of A and C?

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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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