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MCQEasyJEE Main 2025 · 4 April, Shift 1Rate of Reaction

Chemistry Question from JEE Main 2025 · 4 April, Shift 1

Rate law for a reaction between AA and BB is given by R=k[A]n[B]mR = k[A]^n[B]^m. If concentration of A is doubled and concentration of B is halved from their initial value, the ratio of new rate of reaction to the initial rate of reaction (r2r1)\left(\frac{r_2}{r_1}\right) is

  • A

    2(n−m)2^{(n-m)}

  • B

    (n−m)(n-m)

  • C

    (m+n)(m+n)

  • D

    12(m+n)\frac{1}{2^{(m+n)}}

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