For reaction A→B, rate constant of reaction at 27∘C is 1.2×10−3Ms−1. The only correct graph for the reaction is,
A
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B
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C
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D
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Solution
The correct option is A k=1.2×10−3Ms−1 For zero order reaction, Unit of k=MS−1 ∴ It is zero order reaction At=A0−kt Rate =k[A]∘=k= constant ⇒At=A0−xWe know Bt=x=ktSo,At=A0−BtAt=A0−Btor[A]=A0−[B]y=c+mx∴m=−1c=A0