OCR Text |
Show Table II: RATE" CONSTANTS FOR HYDROGEN ATOM ATTACK ON SOME ORGANIC COMPOUNDS A: Abstraction(hydrogen on side chain from substituted aromatics) Compound Hexamethylethane(15) Toluene (16) o-Chlorotoluene(17) p-Chlorotoluene(17) Aniline (18) Methane (4) Phenol (19) Ammonia (20) Water (4) B: Displacement Compound (displaced group)(ref) Rate Expressions (l/mol-s) 1.2xlOllExp(-4l38/T) 9.6xlOlOExp(-4265/T) 1.8xlOllExp(-5846/T) 2.4xlOllExp(-7000/T) 1.lxlOllExp(-6240/T) 1.8xlOllExp(-8067/T) 2.4xlOllExp(-113l0/T) Rate Expressions 1,2,3-Trichlorobenzene (2-Cl) 1.9xlOl0Exp(-2954/T) (1,3-Cl) 3.7xl09Exp(-1856/T) total o-Chlorotoluene (CH3)(17) p-Chlorotoluene (CH3)(17) 3.5xlOl0Exp(-37l0/T) Toluene(CH3) (16) 1.2xlOl0Exp(-2578/T) o-Chlorotoluene (Cl)(17) o-Dichlorbenzene (Cl)(17) 9.2xlOl0Exp(-5l96/T) p-Dichlorobenzene (Cl) 4.6xlOlOExp(-454l/T) Aniline(NH2) (18) 2.2xlOl0Exp(-3735/T) p-Chlorotoluene (Cl)(17) 4.8xlOl DExp(-4795/T) Phenol(OH) (19) 2.2xlOl0Exp(-3990/T) Chlorobenzene (Cl) 2.2xlOlOExp(-453l/T) 20 Rate Constants (1085K) 64xl08 (3.4xl08, perH) 27xl08 (8.5xl08 ,perH) 22xl08(7.5xl08~perH) 19x108 (6 x lO~ perH) 8.lxl08 (3.9xlO~,perH) 3.8xl08 (9xl07, perH) 3.5xl08 1.lxl08 (3.3xl07,perH) .07xl08 (3.2xl07, perH) Rate Constants(1085K) (l/mol-s) l2.5xl08 6.7xl08 19.2xl08 13 xl08 12 xl08 11 xl08 7.6xl08 7.7xl08 7.0xl08 7.0xl08 5.8xl08 5.6xl08 3.4xl08 |