Oxide radical ion 1,1'-Dimethyl-4,4'-bipyridinium

Solar, S.; Solar, W.; Getoff, N.; Holcman, J.; Sehested, K.
J. Chem. Soc., Faraday Trans. 1 81, 1101-1112 (1985)

Reaction: O·^- + MV²⁺ ®
Solvent: H₂O

k = 1.5 × 10⁹(L mol^-1 s^-1), pH ³13.8

Experimental method: Pulse radiolysis
Analytical method: vis-UV absorption
Data type: Absolute value measured directly

Product buildup kinetics at 392 and 470 nm in soln. contg. 1 × 10^-3 mol L^-1 methyl viologen and 0.6 mol L^-1 NaOH satd. with N₂O; mainly H abstraction at methyl, <10% adduct formation.