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How to identify whether a molecule is polar or not? How to identify whether a molecule is polar or not?
How to identify whether a molecule is polar or not?
Dear student, A polar molecule is a molecule that has a net dipole moment due to its having unsymmetrical polar bonds. There are two factors that go into determining if a molecule is polar or not. To determine if a molecule (or ion) is polar or non-polar, you must determine both factors. 1) The polarity of the individual bonds in the molecule; 2) The shape or geometry of the molecule. First, to determine if a given individual bond is polar, you need to know the electronegativity of two atoms involved in that bond. If the electronegativity of the two atoms has a difference of 0.3 or less, then the bond is non-polar. If the electronegativity difference is greater that 0.3 but less than 1.7, then the bond is polar. If the two values have a difference greater than 1.7, then the bond is ionic, which is just very very polar. Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation. All the best. Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian. Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar respectively : Click here to download the toolbar.. Askiitians Expert Sagar Singh B.Tech, IIT Delhi sagarsingh24.iitd@gmail.com
Dear student,
Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation. All the best. Win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian. Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar respectively : Click here to download the toolbar.. Askiitians Expert Sagar Singh B.Tech, IIT Delhi sagarsingh24.iitd@gmail.com
Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.
All the best.
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Askiitians Expert
Sagar Singh
B.Tech, IIT Delhi
sagarsingh24.iitd@gmail.com
dear chilukuri kartik , a molecule is said to be polar if there exist a net dipole moment ... for example if we take CCl4 then it containes 4 polar bonds but this molecule is not polar coz its shape is regular tetrahedral & so all four dipole moment vectors cancel each other ... so dipole moment is a necessary condition for a molecule to be polar...
dear chilukuri kartik ,
a molecule is said to be polar if there exist a net dipole moment ...
for example if we take CCl4 then it containes 4 polar bonds but this molecule is not polar
coz its shape is regular tetrahedral & so all four dipole moment vectors cancel each other ...
so dipole moment is a necessary condition for a molecule to be polar...
any molecule or compound soluble in polar solvents such as water is a polar molecule whereas a molecule soluble in non-polar solvents such as carbon disulphide is a non-polar molecule
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