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JEE Main Chemistry question

ChemistryChemical KineticsJEE Main

A reaction involving A, B and C as reactants is found to obey the rate law, rate . When the concentration of A, B and C are doubled separately, the rate is also found to increase two, zero (i.e. unchanged) and four times respectively. The overall order of the reaction is

Answer: (C)

Solution

Doubling A alone doubles the rate: . Doubling B alone leaves the rate unchanged:

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Question ID VK-144295