For a zero-order reaction R → P, the integrated rate equation is:
A[R] = [R]₀ − kt
Bln[R] = ln[R]₀ − kt
C[R] = [R]₀ e^(−kt)
D1/[R] = 1/[R]₀ + kt
Answer & Solution
Correct answer: A. [R] = [R]₀ − kt
Zero-order: d[R]/dt = −k → integrating, **[R] = [R]₀ − kt** (linear decline in [R] with time). Plot of [R] vs t gives a straight line with slope = −k.
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