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Chemistry at Aqueous Interfaces

	International Journal of Scientific Research and Engineering Development (IJSRED)	Full Text:
	Published Issue : Volume-3 Issue-5
	Year of Publication : 2020
	Unique Identification Number : IJSRED-V3I5P51
	Authors : Shekhar Waman Chule
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Abstract :

The study of chemical reactivity at liquid/aqueous interfaces occupies an important place in chemistry. Operations like corrosion and the manoeuvre of electrochemical and photo-electrochemical cells, etc. are examples of chemical processes at the liquid/solid interface [6, 7]. For understanding processes such as liquid chromatography, phase-transfer catalysis[8] drug delivery problems in pharmacology[9] and other phenomena in membrane biophysics, electron transfer, ion transfer, and proton transfer at the interface between two immiscible liquids are fundamentally important[10]. While studying any reaction at aqueous interface, the behaviour of solute molecules and their reactivity at the interface between a liquid and a second phase is also needed to be considered as it affects the reactions occurring at the interface. This paper discusses the phenomenon ‘On-Water Catalysis’. We review some enthalpic or entropic solvation effects that cause transition-state stabilization and accelerate the reaction, followed by structure of liquid-liquid and liquid-vapour interface. We also discuss some of the techniques for surface tension calculation. Finally, we discuss chemical reactivity at aqueous interfaces.