Apart from causing skin pigmentation,
muscular weakness and neurological disorders; chronic
exposure is known to cause skin, lung, liver and kidney cancers
[1,2]. In aqueous systems, inorganic arsenic predominantly exists
as oxyanions of arsenate (H3AsO4) and arsenite (H3AsO3), having
oxidation states of +5 and +3, respectively [3]. Arsenite (As(III)) ions
are more mobile and toxic when compared to arsenate (As(V)) ions