Write a Lewis structure for the phosphorus trifluoride molecule, PF3. Is the octet rule satisfied for...

Write a Lewis structure for the phosphorus trifluoride molecule, PF3. Is the octet rule satisfied for all the atoms in your structure? (b) Determine the oxidation numbers of the P and F atoms. (c) Determine the formal charges of the P and F atoms. (d) Is the oxidation number for the P atom the same as its formal charge? Explain why or why not.

Solutions

Expert Solution

The octet rule is indeed satisfied for each atom in PF3.

The oxidation number for each F is -1. The Oxidative number for P is +3. So they balance out.

Formal charge of P -> 0

Formal charge of F's -> 0

The formal charges on both the P and all the F's is 0.

The formal charge for p is not the same as its oxidative number because the two quantities measure different things.

queen_honey_blossom answered 2 years ago

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