In the present work, emphasis is given to nu(O-H), delta(O-H) and nu(C-O) vibrations of 1-propanol and the effects of lithium chloride and bromide on frequencies of these vibrations. It has been found in general, that solutions in lower concentration ranges departed to a greater extent from respective frequencies for pure 1-propanol, because of the fad that at Lower concentration, there are large interactions between dipoles and the counter ions which result in decrease in energy of vibration. So, a fall in wavenumbers is of common occurrence with increasing salt concentration and lends to become constant at or near the saturation limit.


M J IQBAL ,M IKRAM ,Z M BHATTI ,M A RAUF ,