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HOW DO WE SAY A MOLECULE AS POLAR?
AMONG THESE WHICH S POLAR?
  1. SF4
  2. SiF4
  3. XeF4
  4. BF3

Sharuk Khan HQ , 9 Years ago
Grade 12
anser 1 Answers
Umakant biswal
The arrangement or geometry of the atoms in some molecules is such that one end of the molecule has a positive electrical charge and the other side has a negative charge. If this is the case, the molecule is called a polar molecule, meaning that it has electrical poles. Otherwise, it is called a non-polar molecule.
and coming to your 2nd ques 
among those SF4 is only polar beacuse using the vector drawing its dipole moment are not cancelled out , and all the other 3 are cancelled out . 
HOPE IT CLEARS YOUR DOUBT 
ALL THE BEST ..
 
Last Activity: 9 Years ago
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