For a particular reaction, the rate expression is given as $r = k[A] [B]^{0.5}$. If the volume of vessel is reduced to one-fourth of the initial volume, the rate of reaction would

  • A

    decrease $1/4\  times$

  • B

    increased by $8\  times$

  • C

    decreased by $1/8\ times$

  • D

    remains unaffected

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