Two bottles containing $C_6H_5I$ and $C_6H_5CH_2I$ have lost their original labels. They are labeled as $A$ and $B$ for testing. $A$ and $B$ are taken separately in test tubes and boiled with $NaOH$ solution. The final solution of each test tube is acidified with dilute $HNO_3$ and a little $AgNO_3$ is added. Solution $B$ gives a yellow precipitate. Which of the following statements is correct?

  • A
    $A$ is $C_6H_5CH_2I$.
  • B
    $A$ is $C_6H_5I$.
  • C
    $B$ is $C_6H_5I$.
  • D
    $HNO_3$ was not required to be added.

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