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Explain why inspite of nearly the same e...

Explain why inspite of nearly the same electronegativity, oxygen forms hydrogen bonding while chlorine does not.

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O and Cl have different atomic size (covalent radii), (O = 66 pm and Cl = 99 pm), although they have nearly the same electronegativity. As a result, electron density per unit volume of oxygen atom is much higher than that of chlorine atom. Hence, oxygen forms hydrogen bonds and not chlorine.
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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-NCERT EXERCISE QUESTIONS
  1. Why are halogens strong oxidising agents?

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  2. Explain why fluorine forms only one oxoacid, HOF.

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  3. Explain why inspite of nearly the same electronegativity, oxygen forms...

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  4. Write two uses of ClO(2).

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  5. Why are halogens coloured?

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  6. Write the reactions of F(2) and Cl(2) with water.

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  7. How can you prepare Cl(2) from HCl and HCl from Cl(2)? Write reactions...

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  8. What inspired N. Bartlett for carrying out reaction between Xe and PtF...

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  9. What are the oxidation states of P in the following: H(3)PO(3)

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  10. What are the oxidation states of P in the following: PCl(3)

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  11. What are the oxidation states of P in the following: Ca(3)P(2)

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  12. What are the oxidation states of P in the following: Na(3)PO(4)

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  13. What are the oxidation states of P in the following: POF(3) ?

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  14. Write balanced equations for the following: NaCl is heated with sulp...

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  15. Write balanced equations for the following: Cl(2) gas is passed into...

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  16. How are xenon fluorides XeF(2) ,XeF(4) and XeF(6) obtained?

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  17. With what neutral molecule is CIO^(-) isoelectronic? Is that molecule ...

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

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  19. Arrange the following in the order of property indicated for each set:...

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  20. Arrange the following in the order of property indicated for each set:...

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