List of top Physical Chemistry Questions on Spectroscopy asked in GATE CY

Among the following, the one for which the infrared active vibrational modes are Raman inactive and vice versa is

A 0.005 M solution of compound X transmits 80% of the incident light of wavelength (\(\lambda\)) 500 nm. The absorbance of 0.01 M solution of X is (rounded off to three decimal places).
(Given: path length = 1.0 cm)