What is the decreasing order of acidic strength for the following acids?
$[I]$ Methanoic acid
$[II]$ Ethanoic acid
$[III]$ Propanoic acid
$[IV]$ Butanoic acid

  • A
    $I > II > III > IV$
  • B
    $IV > III > II > I$
  • C
    $I > IV > III > II$
  • D
    $IV > I > II > III$

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