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BF3, BeF2, CO2 and 1,4-dichlorobenzene all are symmetrical molecules.

1. μ = 0
2. μ = 0
3. μ = 0
4. μ = 0

Correct answer: μ = 0

Solution

All the given molecules are symmetrical, leading to the cancellation of their dipole moments, resulting in μ = 0.

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