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The number of vibrational degrees of freedom in CO2 is (A) 1 (B) 2 (C) 3 (D) 4

The number of vibrational degrees of freedom in CO2 is
    (A)    1
    (B)    2
    (C)    3
        (D)    4

Grade:upto college level

1 Answers

Radhika Batra
247 Points
9 years ago

The degrees of freedom of a linear molecule = 3n – 5

        where n = no. of atoms in the molecule

 

        In CO2, O = C = O, n = 3

 

        \ degree of freedom = 3 ×3 – 5 = 4

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