Problem: Part AIn the molecule FI, which atom is the negative pole?a) Fb) IPart BOf the molecules PF3 and PCI3, which has bonds that are more polar?a) PF3b) PCl3 Part CAll three of the phosphorus-fluorine single bonds in PF3 are polar. In which direction should the polarity arrows point?a) to the right b) to the left c) toward the central phosphorus atom d) away from the central phosphorus atom

FREE Expert Solution

Part A. We are asked to determine the atom is the negative pole in FI.

The give molecule is FI.

  • F → electronegativity = 4.0
  • I → electronegativity = 2.5
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Problem Details

Part A

In the molecule FI, which atom is the negative pole?

a) F

b) I


Part B

Of the molecules PF3 and PCI3, which has bonds that are more polar?

a) PF3

b) PCl3

Part C

All three of the phosphorus-fluorine single bonds in PF3 are polar. In which direction should the polarity arrows point?

a) to the right 

b) to the left 

c) toward the central phosphorus atom 

d) away from the central phosphorus atom

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Molecular Polarity concept. You can view video lessons to learn Molecular Polarity. Or if you need more Molecular Polarity practice, you can also practice Molecular Polarity practice problems.