1. Tardigrade
  2. Question
  3. Chemistry
  4. Bottels containing C6H5I and C6H5CH2I lost their original labels. They were labelled A and B for testing. A and B were separately taken in test tubes and boiled with NaOH solution. The end solution in each tube was made acidic with dilute HNO3 and then some AgNO3 solution was added. Substance B gave a yellow precipitate. Which one of the following statements is true for this experiment?

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Q. Bottels containing $C_{6}H_{5}I$ and $C_{6}H_{5}CH_{2}I$ lost their original labels. They were labelled $A$ and $B$ for testing. $A$ and $B$ were separately taken in test tubes and boiled with $NaOH$ solution. The end solution in each tube was made acidic with dilute $HNO_{3}$ and then some $AgNO_{3}$ solution was added. Substance $B$ gave a yellow precipitate. Which one of the following statements is true for this experiment?

NTA AbhyasNTA Abhyas 2022

Solution:

In test tube $A.$ Solution
In test tube $B$ .
$C_{6}H_{5}CH_{2}I \rightarrow _{- C_{6} H_{5} CH_{2} OH}^{NaOH , boil}$ $NaI$ $ \rightarrow _{\left(\right. ii \left.\right) \left(AgNO\right)_{3}}^{\left(\right. i \left.\right) Dil \left(HNO\right)_{3}}$ $AgI$ (yellow ppt.)