What Is the General Formula for the Calculation of the Number

question 19

Multiple Choice

What is the general formula for the calculation of the number of principal vibrations of a molecule that extends in all three directions (e.g. cyclohexane) ? N is the number of atoms that form the molecule.

• A) 3N
• B) 3N-6
• C) 3N-3
• D) 3N-5

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