For the following balanced reaction occurring at a constant temperature,what will be the change in the concentration of $CO$ if the volume of the system is decreased?
$2CO_{(g)} \rightleftharpoons O_{2(g)} + 2CO_{2(g)}$

  • A
    It will increase.
  • B
    It will decrease.
  • C
    It will remain constant.
  • D
    It will become zero.

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