Abstract
The yield of HI formed from the radiolysis of a I/sub 2/--n-hexane solution has been measured as a function of I/sub 2/ concentration. Kinetic analysis indicates that HI is formed in the reaction in a homogeneous medium. G/sub HI/ is reduced by the presence of hydrogen scavenger C/sub 2/H/sub 4/ and electron scavenger SF/sub 6/ in the irradiated solution. The effect of the latter is interpreted by the decrease of the yield of H. atoms which are formed via ionic precursors. Study of the radiolysis of chlorobenzene solution in n-hexane has shown that G/sub HCl/ does not change when iodine is present in the solution while the addition of alkyl iodide caused a considerable decrease. The experimental evidence indicates that the most significant role of iodine in n-hexane solution is to act as a radical scavenger (e.g., I/sub 2/ + H. ..-->.. HI + I.) while its ability to scavenge electrons could not be proved by measurements of final radiolytic products.
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