Question

In: Chemistry

Draw a Lewis structure for PSF3 in which the octet rule is satisfied on all atoms...

Draw a Lewis structure for PSF3 in which the octet rule is satisfied on all atoms and show all NONZERO formal charges on all atoms.

  • Do not include the overall ion charge in your answer.
  • Based on formal charge, what is the best Lewis structure for the molecule?

Solutions

Expert Solution

Formal charge is a number which is assigned to every atom in a molecule

It is calculated by the formula-

Formal charge = no of valance electron of that atom - no. of lone pair electron present around that atom - no. of bonds

Now for a neutral molecule, the total formal charge of a molecule i.e the sum of all the formal charges of its atoms should be zero.

Again if there is any charge present on any atom, then it should be justified. Like we know Oxygen atom is stable with -1 and -2 charge. Now if in a structure we have +1 charge on Oxygen atom, then that structure can never be a stable one.


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