Identify the products $A$ and $B$ in the reactions :
$R-X + AgCN \longrightarrow A + AgX$
$R-X + KCN \longrightarrow B + KX$

  • A
    $A = R-CN ; B = R-NC$
  • B
    $A = R-NC ; B = R-CN$
  • C
    $A = R-NC ; B = R-NC$
  • D
    $A = R-CN ; B = R-CN$

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