Kinetics and mechanism of oxidation of hydroxylamine by tetrachloroaurate(III) ion |
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Authors: | Soni Vimal Mehrotra Raj N |
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Institution: | (1) Department of Chemistry, JNV University, Jodhpur, 342 005, India |
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Abstract: | The oxidation of H2NOH is first-order both in NH3OH+] and AuCl4
–]. The rate is increased by the increase in Cl–] and decreased with increase in H+]. The stoichiometry ratio, NH3OH+]/AuCl4
–], is 1. The mechanism consists of the following reactions. The rate law deduced from the reactions (i)–(iv) is given by Equation (v) considering that H+] K
a. The reaction (iii) is a combination of the following reactions: The activation parameters for the reactions (ii) and (iii) are consistent with an outer-sphere electron transfer mechanism. |
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Keywords: | |
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