MCQ
In which case change in $pH$ is maximum? 
  • A
    $1\ ml$ solution of $pH = 2$ is diluted to $100\ ml$ 
  • B
    $0 .1\ mol$ of $NaOH$ is added into $100\ ml$ of $0.01\ M\ NaOH$ solution
  • C
    $100\ mL$ of $H_2O$ is added into $900\ mL$ of $0.01\ M\ NaOH$ solution
  • $100\ mL$ of $pH = 2$ solution is mixed with $100\ mL$ of $pH = 12$

Answer

Correct option: D.
$100\ mL$ of $pH = 2$ solution is mixed with $100\ mL$ of $pH = 12$
d

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