Grade 12 chemistry

Which one of the following exhibits dipole-dipole attraction between molecules?
Question 18 options:

a) AsH3
b) Br2
c) PI3
d) BCl3
e) NO2

is the answer a) or e)?

1 answer

The answer is e) NO2. NO2 exhibits dipole-dipole attraction between molecules because it has a polar covalent bond due to the difference in electronegativity between nitrogen and oxygen. This results in a partial positive charge on nitrogen and a partial negative charge on oxygen, creating a dipole moment. Dipole-dipole interactions occur when the positive end of one molecule attracts the negative end of another molecule.
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