CBSE 2023 · Region 5 · Set 2 · Q16 · 1 mark
Assertion (A) : The half life of a reaction is the time in which the concentration of the reactant is reduced to one half of its initial concentration.
Reason (R) : In first order kinetics when concentration of reactant is doubled, its half life is doubled.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
Assertion (A) is true, but Reason (R) is false.
Chemical KineticsIntegrated Rate EquationsAnalyseassertion_reasonmedium
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CBSE Class 12 Chemistry past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.