Which of the following statements is false?

  • A
    $CaOCl_2$ gives $OH^-$,$Cl^-$,and $OCl^-$ in aqueous solution.
  • B
    Diamond and graphite are allotropes of carbon.
  • C
    Bleaching action of $Cl_2$ in moist condition is not permanent.
  • D
    Calomel is $Hg_2Cl_2$.

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