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How does electronegativity vary down the...

How does electronegativity vary down the group `17` and why? How does it vary from left to right in period? Name an element having highest electronegativity.

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Electronegativity decreases down the group due to increase in atomic size. It increases along the period from left to right due to decreases in atomic size.
Fluorine `(F)` has the highest electronegativity.
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CENGAGE CHEMISTRY ENGLISH-APPENDIX - INORGANIC VOLUME 1-Exercise Short
  1. How do melting and boiling points vary in a (a) period and (b) group i...

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  2. a. Name the most metallic element in second period and most non-metall...

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  3. How does electronegativity vary down the group 17 and why? How does it...

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  4. Among the elements of second period pick out the element with the l...

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  5. Why CaCl(2) and NaCl are bad conductor of electricity in the solid sta...

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  6. Write the Lewis dot symbols and predict the valencies for the elements...

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  7. Out of KCI and CaO, which has higher lattice energy and why?

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  8. Is MgCl(2) linear or bent or neither of two? Explain

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  9. NaBr gives pale yellow precipitate with AgNO(3) solution but CBr(4) do...

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  10. Assertion Geometrical isomers are non-inter- convertible by rotation. ...

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  11. In which cases the octet rule is violated: BeBr(2),NH(3),AlBr(3),PBr...

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  12. Give the decreasing order of C-H bond length in ethane, ethene and eth...

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  13. Which bond is stronger in each of the following cases and why? a.H(2...

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  14. Give the decreasing order of dipole moments of HF,HCI,HBr, and HI.

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  15. what is a sigma and a pi bond.

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  16. Which of the following molecule/molecules have zero dipole moment? C...

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  17. Differentiate between VB theory and Lewis concept.

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  18. What orbitals can overlap to form a sigma-bond and which orbitals can...

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  19. Write the important conditions required for the linear combination of ...

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  20. Answer the following: a. Which electron takes part in bond formation...

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