Question

Bonus: Consider the PF3 molecule. a) name it b) What is the shape of this molecule? c) what is the polarity of this molecule? (Show your work on paper and upload to E3_u4_pp in assignments) APTER 12....pptx CHAPTER 12-....pptx CHAPTER 12-....pptx

Answer 1

Answer We are being PEB asked about. - PF - Molecule Phosphorous trifluride 1a PE- Name - So The Name PF3 phosphorous trifluride b) shape of PE Theory According to NSEPR The shape of Trigonal Pyramidal PF2 . Pyrannidal is the shape of PF 3

DOMS Page No. | Date 1 1 "Bu NSEPR, Valence Repulsoom Theory, of Moleute ABE placed electron Pain it has a kind There are 3 bond pairs and one lone Pair In the structure, Lewis structure of PF e ai followed . Lavis strutre Sime it's a kind of AB z E type of Molecule which means АВ, Е A central atom B- peripheral atonu E- Nos boneling en Pain/lone Paris on central atory By USEPR Theory, which Normally Istakes the shape of Molecules but Repulsing between bond Paris and tone Pairs of electrone. Normally This kind of Mleules sholed have a structure of Tetrahedral but due to Preeame of love pair of

ens in the as Geometry central atom becomes The shape Trigonal Home . Pait hedral, but the repulsiant - Trigonal Pyramsidal shape Reason for the shape acquired there Had thean a bond pair In Place of lone Pair, The shape would have been Petrahedral, but one lone Pair ů Present and due to the Repulsias between lone pair-bond Paix (which a More then bond Pair-Bond Pais Repulsion) The angle blue bond Pairs is Reduced so The shape of PE Module Trigonal Pyramidal

c Blarity of PE PE is a Polar Molecule, of Molented letined as the food the distance We knone that Polarity In Bonde of Molenlee u Exprelled by dipole Monent which is defined as the product of Meynitude of the charge and the distance between the centres of Positive and negative charge. It usually deusted by brook letter M - M = charge (@x distence of seports so here in the case of PE Mokeile which contains 3 Non polar bonde arrayce assymetrically arond the central phosphorisy atom wheb hey a Non bonded election pair. - Weknone that phosphonasne have 5 valene electrone In the outer most orbit and 3 of them are bonded with 3 flowrine atoms The Romania 2 bon bonded electrone remain are 1 lone pair. 2

The lone Pair dekron repele to the bond Pais electrone to give a Trigonal Pyramidal shape to the Molecule We knone that Florrine has a highes daho negatively than Phosphorone and affrouts the bruded in pairs to thanedve Which gives Phosphone a partial positive charge and Thee the Molecule hey a end net diple Moment. so PF2 na polas Moleule
ANSWER

a) NAME OF THE COMPOUND IS PHOSPHORUS TRIFLUORIDE

b ) SHAPE OF THE MOLECULE IS TRIGONAL PYRAMIDAL

c) The PF​​​​​3​​​​​​​​ is a polar molecule

Explanation