Alkyl Halides - Result Question 2

####2. Which one of the following is likely to give a precipitate with $AgNO _3$ solution?

(a) $CH _2=CH-Cl$

(b) $CCl _4$

(c) $CHCl _3$

(d) $\left(CH _3\right) _3 CCl$

(2019 Main, 12 April II)

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Answer:

Correct Answer: 2. (d)

Solution:

  1. $\left(CH _3\right) _3 CCl$ gives a precipitate with $AgNO _3$ solution because it forms stable carbocation. (i.e. tertiary) that readily combines with $AgNO _3$ to give precipitates of $AgCl$.

$CH _2=CH-Cl$ forms unstable carbocation.

Hence, it does not readily react with $AgNO _3$.



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