1.

The time for half life period of a certain reactionAproducts is I hour. When the initialconcentration of the reactant A', is 2.0 mol L'how much time does it take for its concentration tocome from 0.50 to 0.25 mol L if it is a zero orderreaction ?(A) 4 h (B) 0.5 h (C) 0.25 h (D) 1 hAIEEE 2010]

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