Question

2A → B + C It would be a zero order reaction when (a) the rate of reaction is proportional to

Answer 1

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2A → B + C It would be a zero order reaction when the rate of reaction remains same at any concentration of A.
The rate is independent of concentration.

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Answer 2

Answer:

Reactions - Chemistry LibreTexts

· Zero-Order Reactions. In some reactions, the rate is apparently independent of the reactant concentration. The rates of these zero-order reactions do not vary with increasing nor decreasing reactants concentrations. This means that the rate of the reaction is equal to the rate constant, k, of that reaction

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