①H++H2O2→H3O (快)
②H3O+Br-→H2O+HOBr (快)活化能 Ea3
③HOBr+H++Br-→H2O+Br2 (慢)活化能 Ea4
下列说法错误的是
A.Ea3<Ea4 | B.H+为该反应的催化剂 |
C.整个反应的速率由反应③决定 | D.总反应为:H2O2+2H++2Br-=2H2O+Br2 |
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2