Which of the following statements are correct? A. The $\mathrm{C}-\mathrm{Cl}$ bond in chlorobenzene is…

Which of the following statements are correct? A. The $\mathrm{C}-\mathrm{Cl}$ bond in chlorobenzene is shorter than in chloromethane. B. It is difficult to replace chlorine from chlorobenzene than from benzyl chloride. C. The $\mathrm{C}-\mathrm{Cl}$ bond in chlorobenzene has some double bond character. D. Chlorobenzene on chlorination gives m-dichlorobenzene
  1. A, B, C
  2. A, D only
  3. B, C, D
  4. C, D only

Solution


Chlorobenzene has double bond character between $\mathrm{C}$ and $\mathrm{Cl}$. So, it is difficult to replace form than form benzyl chloride. (c) $\mathrm{C}-\mathrm{Cl}$ has double bond character in chlorobenzene. (d) Chlorobenzene on chlorination gives $m$-dichlorobenzene due to $o / p$-directing effect of $\mathrm{Cl}$. Thus, option (a) is correct. *

Asked in: JEE-TOPICTESTS-CHEMISTRY

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