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Polarity of molecules

How do you know which molecules are more polar? CHBr2, CH3I, CHCL2F, CF4
I know that CF4 is the least polar in order as it is not polar but what about the other 3, I have drawn diagrams for the shapes, but I still can't work it out. Many thanks :smile:
Original post by coconut64
How do you know which molecules are more polar? CHBr2, CH3I, CHCL2F, CF4
I know that CF4 is the least polar in order as it is not polar but what about the other 3, I have drawn diagrams for the shapes, but I still can't work it out. Many thanks :smile:


Consider the electronegativity.
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coconut64
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Original post by morgan8002
Consider the electronegativity.


I think I got it now thanks anyway

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