An iodine-clock kinetics experiment was performed by varying the composition of reactant solutions and measuring the resulting rates of reaction. Trial 1 Trial 2 Reactant solution 10.0 mLI (aq) 10.0 mLI (aq) A 5.0 mL 8,03 (ag) 15.0 mL 8,03- (aq) Reactant solution 10.0 mL S203 (aq) |5.0 mL S208 (aq) B 1.0 mL starch (aq) 1.0 mL starch (aq) Time to 10 S 20 S complete reaction How do trials 1 and 2 in the table differ? O Trial 1 has twice as much I as trial 2. O Trial 2 has twice as much S203 as trial 1. O Trial 2 has half as much S20g as trial 1. O Trial 1 has half as much starch as trial 2.Four mechanisms have been proposed to explain the results in the table. Mechanism 1: 1 (aq) +1" (aq) — Ž" (aq) (slow) 2- 2 2 12 (aq) + S208 (aq) → 12(aq) + SO4 (aq) (fast) Mechanism 2: 1" (aq) + svoś (ag) —(S208.18-(aq) (S203.18-(aq) +1" (aq) — 12(aq) +250 (aq) (slow) (fast) Mechanism 3: (fast) I (aq) + sąOğ (aq) — [5,08 +18+ (aq) [S208. fjø- (aq) +1" (aq) + 13(aq) + 2 50 (aq) (slow) Mechanism 4: 21+ (aq) +,0$ (aq) + I2(aq) +250 (aq)