Oxide radical ion Hydrogen

Hickel, B.; Sehested, K.
J. Phys. Chem. 95, 744-747 (1991)

Reaction: O·^- + H₂ ® e_aq^- + H₂O
Solvent: H₂O

Activation energy = 14(kJ mol^-1), Log(A) = 10.502, Temperature range 288 to 363 K
k = 1.1 × 10⁸(L mol^-1 s^-1), pH = 13.5, T = 293K

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

P.b.k at 600 nm in soln. contg. 0.315 mol L^-1 [OH^-]

Hickel, B.; Sehested, K.
J. Phys. Chem. 95, 744-747 (1991)

Reaction: O·^- + H₂ ® e_aq^- + H₂O
Reference Reaction: O·^- + O₂ ®
Solvent: H₂O

k/k_reference = 2.8 × 10^-2
k = 1.0 × 10⁸(L mol^-1 s^-1), k_reference = 3.6 × 10⁹(L mol^-1 s^-1), pH = 13.5, T = 293K

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

C.k

Matheson, M.S.; Rabani, J.
J. Phys. Chem. 69, 1324-1335 (1965)

Reaction: O·^- + H₂ ® H₂O + e_aq^-
Solvent: H₂O

k = 8 × 10⁷(L mol^-1 s^-1), pH = 13.3

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

Calcd. from effect of H₂ concn. (1-100 atm) on d.k. at 578 nm (e_aq^-).