1. Tardigrade
  2. Question
  3. Chemistry
  4. Which of the following compounds will form the precipitate with aq. AgNO 3 solution most readily ?

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Q. Which of the following compounds will form the precipitate with aq. $AgNO _{3}$ solution most readily ?

JEE MainJEE Main 2020Haloalkanes and Haloarenes

Solution:

$R - x + aq \cdot AgNO _{3} \xrightarrow{R.D.S } R ^{\oplus}+\underset{( PPT )}{ Agx }$ ____(1)

So rate of $P.P.T$ formation of Agx depend's on stability of carbocation $\left( R ^{+}\right)$

In given question formed carbocation will be

image

Most stable carbocation is (b) so

image

give fastest P.P.T of AgBr with aq $AgNO_{3}$