For the reaction, 5Br−+BrO3−+6H+⟶3Br2+3H2OIf −dBr−dt=k1Br−,−dBrO3−dt=k2Br− dBr2dt=k3Br− then k1,k2 and k3are related as

For the reaction, 5Br−+BrO3−+6H+⟶3Br2+3H2O         −15dBr−dt=−dBrO3−dt=13dBr2dt       15k1Br−=k2Br−=13k3Br−or    3k1=15k2=5k3  k1=5k2=1.66k3