In the redox reaction
$x \ MnO + y \ PbO_2 + z \ HNO_3 \to a \ HMnO_4 + b \ Pb(NO_3)_2 + c \ H_2O$
Find the values of $x, y, z$.

  • A
    $x = 2, y = 5, z = 10$
  • B
    $x = 2, y = 7, z = 8$
  • C
    $x = 2, y = 5, z = 8$
  • D
    $x = 2, y = 5, z = 5$

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