Pakistan Journal of Chemistry is an international peer-reviewed journal published in English by a National Chemist Community of International Repute, with its editorial office hosted by the Department of Chemistry, University of Karachi, Karachi, Pakistan. It publishes original research and review work (either theoretical and applied) in all fields of chemistry, i.e. physical, inorganic, organic and analytic chemistry, computational, environmental, photochemistry, photobiology, organometallic synthesis, nanotechnology, medicinal and drug etc. in the forms of Accounts, Full Papers, Notes and Communications. The authors must inform the Editors of manuscripts submitted to, soon to be submitted to, or in press at other journals that have a bearing on the manuscript being submitted.