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Why is that in the SF(4) molecule, the l...

Why is that in the `SF_(4)` molecule, the lone pair of electrons occupies an equatorial position in the overall trigonal pyramidal arrangement in preferencr to an axial position ?

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The lp - bp repulsions are less if it occupies equatorial position than if it occupies axial position . As a
result , energy is less and stability is more
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Statement : SF_4 has lone pair of electron at equatorial position in preference to axial position in the overall trigonal bipyramidal geometry . Explanation : If lone pair is at equatorial position , then only repulsion is minimum .

In XeF_(4) molecule, the two lone pairs of electrons on Xe atom occupy which of the following positions on the square planar structure

PRADEEP-CHEMICAL BONDING AND MOLECULAR STRUCTURE-ANALYTICAL QUESTIONS AND PROBLEMS WITH ANSWERS/SOLUTIONS
  1. Why AlF(3) is a high melting solid wheareas SiF(4) is a gas ?

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  2. Why NF(3) pyramidal but BF(3) is triangular planar ?

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  3. Why is that in the SF(4) molecule, the lone pair of electrons occupies...

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  4. Why bond angle in H(2)O is nearly 104.5^(@) but that in H(2) S , it i...

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  5. Explain why N(2) has a greater bond dissociation energy than N(2)^(+) ...

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  11. Out of o-nitrophenod and p-nitrophenol, which has higher boiling point...

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  15. Explain, why o-hydroxybenzaldehyde is a liquid at room temperature whi...

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  16. Using VSEPR thory, draw the molecular structures of OSF(4) and XeF(4)...

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  19. Arrange the following in order of (i) increasing N-O bond length (ii) ...

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  20. Explain the shape of I(3)^(-) ion .

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