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Hello students, in a question, the following molecules are answered given.
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We have to find whether the molecule is polar or non -polar.
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And if the molecule is polar, we have to find the atom just closer to the negative side.
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First of all, let's take the case of hcl.
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Here, we have two different atoms with different electron negativity.
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So, the more electrone negative atom will attract the shared pair of electrons towards itself.
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So, the net charge, is not equal to zero.
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Here chlorine is more electronegative than hydrogen.
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So it will attract the shared pair of electron towards itself.
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So it will have a delta negative charge.
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So the given molecule is polar and the atom closer to the negative side is chlorine.
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Now let's take the case of ocs...