For a reaction,$A + 2B \rightarrow$ Products,when the concentration of $B$ alone is increased,the half-life remains the same. If the concentration of $A$ alone is doubled,the rate remains the same. The unit of the rate constant for the reaction is:

  • A
    $s^{-1}$
  • B
    $L \ mol^{-1} \ s^{-1}$
  • C
    $mol \ L^{-1} \ s^{-1}$
  • D
    $atm^{-1}$

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