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The bond energy of fluorine is more than...

The bond energy of fluorine is more than that of chlorine.

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Bond dissociation energy of fluorine molecule is less than that of `Cl_2` due to the strong repulsions between the non-bonding electrons in fluorine atoms in its molecules) due to the very small size of `F_2`. Another reason is the absence of the possibility of multiple bonding because of the non availability of d-orbitals.
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ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(VERY SHORT ANSWER QUESTIONS)
  1. Name one ion whose central atom has sp^3 d^3 type of hybrid orbitals.

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  2. What type of hybridization is associated with N in NH3 ? What is th...

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  3. The bond energy of fluorine is more than that of chlorine.

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  4. Account for the following: Tendency to show -2 oxidation state dimi...

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  5. Which is the strongest oxidising agent among CIO(4)^(-),BrO(4)^(-) an...

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  6. Why is H2S more acidic than H2O ?

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  7. Which type of hybridisation explains the trigonal bipyramidal shape of...

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  8. Draw the structure of BrO(4)^(-)

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  9. Whys is F(2) a stronger oxidising agent than Cl(2) ?

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  10. Write the chemical equation for the reactions which occur when sodium ...

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  11. Draw the structure of XeF4 molecule.

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  12. Complete the following chemical equation : XeF4 + H2O rarr

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  13. Write one chemical equation to show that chlorine gas can be obtained ...

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  14. Write one chemical equation to show that SO2 acts as a reducing agent...

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  15. Write one chemical equation that conc. H2SO4 is a strong oxidising age...

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  16. Give a chemical equation or name of the reaction to show that sodium c...

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  17. Find the oxidation number of sulfur in peroxomono-sulfuric acid.

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  18. Write the formula of the noble gas species that is isostructural with ...

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  19. Draw the structure of peroxodisulfuric acid.

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  20. Which is more stable PCl5 or PCl3 ?

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