When $50 \, mL$ of $0.4 \, N$ $HCl$ and $50 \, mL$ of $0.2 \, N$ $NaOH$ solutions are mixed,the $pH$ of the resulting solution will be ........

  • A
    $-\log \, 2$
  • B
    $-\log \, 0.2$
  • C
    $1$
  • D
    $2$

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