compare electronegativity of C in CH4 and CHcl3
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Explanation:
In compound, the electronegativity of is, isand is.
The difference in electronegativity of the carbon and hydrogen is 0.4. Therefore, the bond between carbon and hydrogen is non-polar.
The difference in electronegativity of the carbon and chlorine is 0.5. Therefore, the bond between carbon and chlorine is polar covalent.
The structure for molecule is as follows:
Since the three polar bonds are not symmetrical, they do not cancel the dipole each other.
Therefore, the molecule has net dipole.
Hence, the molecule is polar compound.
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