For an elementary reaction, 2A+B→C+D, the active mass of B is kept constant but that of A is tripled. The rate of reaction will

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decrease by 3 times

increase by 9 times

increase by 3 times

decrease by 6 times

answer is B.

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Detailed Solution

since concentration of “B” is kept constantr∞A2 r∞32∞9

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