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Why are pentahalides more covalent than ...

Why are pentahalides more covalent than trihalides?

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Higher positive oxidation state of central atom has more polarising power which increases the covalent character.
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AAKASH INSTITUTE-THE P-BLOCK ELEMENTS-Try yourself
  1. Name one natural silicate and one synthetic silicate?

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  2. What is the hybridisation of silicon in orthosilicate?

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  3. Why are pentahalides more covalent than trihalides?

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  4. Why is BiH(3) the strongest reducing agent amongst all the hydrides of...

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  5. Why is N(2) less reactive at room temperature ?

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  6. Mention the conditions required to maximise the yield of ammonia.

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  7. How does ammonia react with blue solution having Cu^(2+) ions ?

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  8. Bond angle in PH(4)^(+) is higher than that in PH(3).Why ?

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  9. What happens when white phosphorus is heated with concentrated NaOH so...

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  10. What happens when PCl(5) is heated ?

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  11. Write the balanced equation for the hydrolytic reaction of PCl(5) in h...

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  12. What happens when phosphorus acids (H(3)PO(3)) is heated ?

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  13. List the important sources of sulphur.

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  14. Why is H(2)O a liquid and H(2)S a gas?

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  15. Write the order of the thermal stability of the hydrides of group 16 e...

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  16. Anomalous behaviour of oxygen is due to

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  17. Which of the following does not react with oxygen directly? Zn,Ti,Pt,F...

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  18. Complete the following reactions : (i) C(2)H(4)+O(2) to (ii) Al +O...

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  19. Why does O(3) act as a powerful oxidising agent ?

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  20. How is O(3) estimated quantitatively ?

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