MCQ
Which of the following is a redox reaction
  • A
    $NaCl + KN{O_3} \to NaN{O_3} + KCl$
  • B
    $Ca{C_2}{O_4} + 2HCl \to CaC{l_2} + {H_2}{C_2}{O_4}$
  • C
    $Mg{(OH)_2} + 2N{H_4}Cl \to MgC{l_2} + 2N{H_4}OH$
  • $Zn + 2AgCN \to 2Ag + Zn{(CN)_2}$

Answer

Correct option: D.
$Zn + 2AgCN \to 2Ag + Zn{(CN)_2}$
(d)

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