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MHT CET Chemistry question

ChemistryChemical KineticsMHT CET

The concentration of a reactant in a solution falls (i) from 0.2 to 0.1 M in 2 hrs. (ii) from 0.2 to 0.05 M in 4 hrs. The order of the hydrolysis of the reactant is

Answer: (C)

Solution

The concentration halves in 2 h and falls to one quarter (two successive halvings) in 4 h, so the half-life is constant, which is

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Question ID VK-068834