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JEE Main Chemistry question

ChemistryChemical KineticsJEE Main

For a reaction , if the concentration of A is doubled without altering the concentration of B, the rate gets doubled. If the concentration of B is increased by nine times without altering the concentration of A, the rate gets tripled. The order of the reaction is

Answer: (C)

Solution

Doubling doubles the rate, so order with respect to A, , satisfies .

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Question ID VK-144282