In a reaction,$2X \to Y$,the concentration of $X$ decreases from $0.50 \ M$ to $0.38 \ M$ in $10 \ min$. What is the rate of reaction in $M s^{-1}$ during the interval?

  • A
    $2 \times 10^{-4}$
  • B
    $4 \times 10^{-2}$
  • C
    $2 \times 10^{-2}$
  • D
    $1 \times 10^{-4}$

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