MCQ
$CrO_4^{ - 2}\underset{{pH - y}}{\overset{{pH - x}}{\longleftrightarrow}}C{r_2}O_7^{ - 2}$ 

$pH$ values of $x$ and $y$ are respectively

  • $6,\, 8$
  • B
    $6, \,5$
  • C
    $8, \,6$
  • D
    $7,\, 7$

Answer

Correct option: A.
$6,\, 8$
a

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