Chemistry (M.Phil./Ph.D.) 2017 Panjab University Entrance Exam With Answers

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48.

The pure rotational spectrum of CO consists of a series of equally spaced lines separated by 3.84235 cm-1. The atomic masses are: 12C = 19.92168 x 10-27 kg and 16O = 26.56136 x 10-27 kg. The internuclear distance of the molecule

A: 2.312 Å
B: 1.456 Å
C: 1.131 Å
D: 1.921 Å

The answer is: C

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