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Decreasing order of electronegativities ...

Decreasing order of electronegativities of `F,CI,Br` and `I` is

A

`F lt CI lt Br lt I`

B

`I lt Br lt CI lt F`

C

`Br lt I gt CI gt F`

D

`I lt Br gt CI lt F`

Text Solution

Verified by Experts

The correct Answer is:
B
Electronegativity decreases in a group on going from top to bottom. Therefore `I lt Br lt CI lt F`
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BANSAL-PERIODIC TABLE-EXERCISE-3
  1. Decreasing order of electronegativities of F,CI,Br and I is

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  2. Use the following system of naming elements in which first alphabets o...

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  3. Mg^(2+), O^(2-),Na^(+),F^(-),N^(3-) (Arrange in decreasing order of io...

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  4. Why Ca^(2+) has a smaller ionic radius than K^(+).

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  5. Arrange in decreasing order of atomic size: Na,Cs, Mg, Si, CI

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  6. Why the first ionisation energy of carbon atom is greater than that of...

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  7. The IE do not follow a regular trend in II & III periods with increasi...

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  8. Explain why a few elements such as Be(+0.6),N(+0.3) & He(+0.6) have po...

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  9. Which bond in each pair is more polar (a) P-CI or P - Br (b) S -CI o...

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  10. From among the elements,choose the following: CI,Br, F,Al, C,Li,Cs& Xe...

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  11. In the ionic ompound KF, the K^(+) and F^(-) ions are found to have pa...

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  12. Which oxide is more basic, MgO or BaO? Whay?

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  13. The basic nature of hydroxides of group 13 (III-A) decreases progressi...

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  14. Based on location in P.T. which of the following would you expect to b...

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  15. Compare the following giving reasons Acidic nature of oxides: CaO, CO,...

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  16. The ionisation potentials of atoms A and B are 400 and 300 kcal mol^(-...

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  17. If internuclear distance between CI atoms in CI(2) is 10Å & between H ...

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  18. The As-CI bond distance in AsCI(3) is 2.20 Å. Estimate the SBCR (singl...

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  19. The Pt-CI distance is 2.32 A in several crystaline compounds What is...

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  20. The IE values of Al((g)) = Al^(+) +e is 577.5 kJ mol^(-) and DeltaH fo...

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  21. For the gaseous reaction K+F rarrK^(o+)+F^(ɵ) Delta H = 19 kcal mo...

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