Decide which intermolecular forces act between the molecules of each compound in the table below. intermolecular...

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Decide which intermolecular forces act between the molecules of each compound in the table below. intermolecular forces (chec

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Answer 1

Answer #1

1)

CO2 is linear and it has no dipole moment.

So, only force is dispersion force

Answer: dispersion

2)

For hydrogen bond to be formed, compound should have N,O or F and there should be H attached to it.

HF has H attached to F.

So, it will form hydrogen bond.

Due to electronegativity difference between H and F, it is polar.

So, it will have dipole-dipole forces.

dispersion force is present in all molecules.

Answer: dispersion, dipole, hydrogen bonding

3)

HBr is polar.

So, it will have dipole-dipole forces.

dispersion force is present in all molecules.

Answer: dispersion, dipole

4)

SiH4 is tetrahedral and all bond are same.

So, due to symmetry, it is non polar.

So, only force is dispersion force

Answer: dispersion

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