PG entrance exam CUET PG 2025 Mock Test Chemical Sciences Characterisation of Inorganic Compounds IR Spectroscopy
Consider the following statements about Infrared (IR) spectroscopy.
A. It is used to determine the band gap, the band structure, and the charge carrier concentration of a compound.
B. It is used to identify the functional group(s) of a compound.
C. It is used to characterize different stretching and bending modes of vibration in molecules.
D. Heteronuclear diatomic molecules are IR-active.
The correct statements are
1
A, B, C, and D
2
B, C, and D only
3
A, B, and C only
4
B and C only