Question

1 From your models of SF4, BrF3, and XeFa, deduce whether different atom arrangements, called geometrical isomers, are possible and if so sketch them below. Indicate the preferred geometry for each case and suggest a reason for your choice. Indicate which structures have dipole moments and show their direction. Molecule Dipole moment Preferred geometry Reason (a) SF (b) BIFs = (c) XeF SI​

Answer 1

Answer:

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Answer 2

The geometry of various structures given below

• SF₄ has a trigonal bipyramidal shape  and has 0 dipole moment
• BrF₅ has square pyramidal geometry and has a dipole moment
• XeF₄ has square planar geometry and has 0 dipole moment
• Because lone pairs are larger than bond pairs and lone pairs interaction is greater.
• condition for geometrical isomer is
• molecules should be restricted or frozen about a bond
• and here geometrical isomers are not possible because of all same atoms in a molecule.

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