For the Hypothetical Reaction a + 3B → 2C, the Rate

Multiple Choice

For the hypothetical reaction A + 3B → 2C, the rate should be expressed as

A) rate = Δ[A]/Δt.
B) rate = -Δ[C]/Δt.
C) rate = -3(Δ[B]/Δt) .
D) rate = (1/2) (Δ[C]/Δt) .
E) rate = (1/3) (Δ[B]/Δt) .