Which of the following is the correct order of acidity?

  • A
    $HCN > OH^- > ClCH_2COOH > HCOOH > CH_3COOH$
  • B
    $HCN > HCOOH > ClCH_2COOH > CH_3COOH$
  • C
    $ClCH_2COOH > HCOOH > CH_3COOH > HCN$
  • D
    $ClCH_2COOH > HCN > HCOOH > CH_3COOH$

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