What are the intermolecular forces between molecules in a liquid sample of sulfur trioxide, SO3?a. hydrogen bonding b. dipole-dipole interactions c. dispersion forces

The intermolecular bond in the sulfur trioxide has been the dispersive force. Thus, option C is correct.

The sulfur trioxide has been the nonpolar molecule with the presence of S-O and S=O bonds.

The nonpolar bonds have consisted of weak intermolecular interactions resulting from the London Dispersive force. This type of interaction has been able to bind the nonpolar molecules together.

Thus, the intermolecular bond in the sulfur trioxide has been the dispersive force. Thus, option C is correct.

For more information about the intermolecular forces. refer to the link:

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dispersion forces

Explanation:

SO3 is a trigonal planar molecule. All the dipoles of the S-O bonds cancel out making the molecule to be a nonpolar molecule.

The primary intermolecular force in nonpolar molecules is the London dispersion forces. As expected, the London dispersion forces is the intermolecular force present in SO3.

Hence SO3 is a symmetrical molecule having only weak dispersion forces acting between its molecules.

the answer is:  

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