Abstract

Electrolysis of interlayer water of crystallisation in molybdic acid has been established by a direct d.c. electrolysis experiment with the evolution of H 2 at cathode and O 2 at anode. The d.c. electrolysis converts topotactically the dihydrate MoO 3.2H 2O into white or α-MoO 3.H 2O near cathode and yellow MoO 3.H 2O near anode which is confirmed by IR and laser Raman spectra. The a.c. electrical conductivity has been measured at (a) different a.c. signal levels, (b) different simultaneous d.c. bais to find the effect of electrolysis on the charge transport and (c) at different temperatures vis-a-vis TGA. NMR linewidth as a function of temperature and d.c. bias shows appearance of a narrow line shoulder superimposed over a broad proton resonance line which indicates that proton attached to one of two water molecules of MoO 3.2H 2O have only been made mobile.

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