Temperature dependences of hydrogen kinetic isotope effect in reactions of cyclohexane with Mn(VII), Cr(VI) and NO2+ in solutions |
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| Authors: | N A Tishchenko E S Rudakov and L K Volkova |
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| Institution: | (1) Institute of Physical Organic and Coal Chemistry, 340114 Donetsk, USSR |
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| Abstract: | Temperature dependences of hydrogen kinetic isotope effect (KIE) in reactions of cyclohexane with Mn(VII), Cr(VI) and NO
2
+
in solutions have been studied. With increasing temperature from –10° to 140°C, KIE decreases and the equation kH/kD=AH/ADexp( E/RT) is met.
                    (  )     Mn(VII), Cr(VI) NO
2
+
.  –10° 140°C  , kH/kD=AH/ADexp(E/RT).
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