differentiate bw polar and non polar compound
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A compound is polar when the difference of electro negativities of its two constituent elements is huge.
For example, consider HCl.
H has electro negativity 2.1 and Cl has 3. So there is a huge difference. If you consider the positions in periodic table, you can understand. NH3, H2O, etc all are covalent because the electro negativity difference of the elements is large, which can be understood because H is located far from N and O.
Now non polar compounds are just the opposite...the electro negativity difference between two constituent atoms are negligible.....consider CH4...electro negativity of C is 2.5 and that of H is 2.1. So difference is not much, so it is non polar.
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For example, consider HCl.
H has electro negativity 2.1 and Cl has 3. So there is a huge difference. If you consider the positions in periodic table, you can understand. NH3, H2O, etc all are covalent because the electro negativity difference of the elements is large, which can be understood because H is located far from N and O.
Now non polar compounds are just the opposite...the electro negativity difference between two constituent atoms are negligible.....consider CH4...electro negativity of C is 2.5 and that of H is 2.1. So difference is not much, so it is non polar.
Please follow to get more answers...hope this helps you!
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