bf3 is non polar but nh3 us polar.
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of you will see the structure of both the compounds you will be able to understand
BF3 is non polar because dipole moment is 0
Fluorine is more electronegative than boron
that causes a electron movement from boron to fluorine and net movement = 0
In NH3 there is a lone pair present on nitrogen atom and nitrogen is more electronegative than hydrogen that causes electron movement in only one direction and the dipole moment is not 0 so it's a polar compound .
If it helped you then mark it as a brainliest .
BF3 is non polar because dipole moment is 0
Fluorine is more electronegative than boron
that causes a electron movement from boron to fluorine and net movement = 0
In NH3 there is a lone pair present on nitrogen atom and nitrogen is more electronegative than hydrogen that causes electron movement in only one direction and the dipole moment is not 0 so it's a polar compound .
If it helped you then mark it as a brainliest .
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