In the Absorption Spectrum of the Diatomic Molecule HCl the Central

Multiple Choice

In the absorption spectrum of the diatomic molecule HCl the central frequency is at 8.67 $\times$ 10¹³ Hz,while the absorption peaks on either side are separated by 5.9 $\times$ 10¹¹ Hz.What is the average moment of inertia of a rotating HCl molecule?

A) 1.4 $\times$ 10^-47 kg.m²
B) 7.1 $\times$ 10^-48 kg.m²
C) 1.1 $\times$ 10^-45 kg.m²
D) 2.8 $\times$ 10^-47 kg.m²
E) None of these is correct.