$X + H^{+} \rightarrow Y + Na^{+} + H_2O$
$Y + KCl \rightarrow K_2Cr_2O_7 + NaCl$
Identify $X$ and $Y$ in the given reactions.

  • A
    $X = Na_2Cr_2O_7, Y = Na_2CrO_4$
  • B
    $X = Na_2Cr_2O_7, Y = Na_2Cr_2O_7$
  • C
    $X = Na_2CrO_4, Y = Na_2Cr_2O_7$
  • D
    $X = Na_2CrO_4, Y = Na_2CrO_4$

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