Which of the following is non polar but contains polar bonds? give rea

1.	Which of the following is non polar but contains polar bonds? give reason(a) HCl(b) H2O(c) SO3(d) BBr3
Answer» SO₃ is non-polar molecule but contain polar bonds. Explanation: The reason is difference in electronegativity. If electronegativity difference lies between 0.4 and 2 then it contains polar bonds. As we know that SO₃ is a trigonal planar structure and thus overall polarity is zero. But the electronegativity difference between S and O is more and thus exhibits polarity in bonds. O is more electronegative than S. Also, there are no electrons left on S atom but O atom has two lone pairs. that describes the polarity of bonds with non-polar molecule. H₂O is a polar molecule. HCl is polar molecule. BBr₃ is a non polar molecule but electronegativity difference between its atom is less than o.4 so it contains non polar bonds.

Which of the following is non polar but contains polar bonds? give reason(a) HCl(b) H2O(c) SO3(d) BBr3

Answer»

SO₃ is non-polar molecule but contain polar bonds.
Explanation:
The reason is difference in electronegativity. If electronegativity difference lies between 0.4 and 2 then it contains polar bonds.
As we know that SO₃ is a trigonal planar structure and thus overall polarity is zero. But the electronegativity difference between S and O is more and thus exhibits polarity in bonds. O is more electronegative than S.

Also, there are no electrons left on S atom but O atom has two lone pairs. that describes the polarity of bonds with non-polar molecule.
H₂O is a polar molecule.

HCl is polar molecule.

BBr₃ is a non polar molecule but electronegativity difference between its atom is less than o.4 so it contains non polar bonds.

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