$\text{The total number of molecules with zero dipole moment among CH}_4, \text{ BF}_3, \text{ H}_2\text{O, HF, NH}_3, \text{ CO}_2 \text{ and} \\ \text{SO}_2 \text{ is \_\_\_\_\_\_\_\_.}$
Correct Answer: 3
Solution and Explanation
Molecules with zero dipole moment are \( \text{CO}_2 \), \( \text{CH}_4 \), and \( \text{BF}_3 \).
Thus, the total number of molecules with zero dipole moment is: 3.
The Correct Answer is: 3
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