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Q.
Which of the following reaction does not take place?
Haloalkanes and Haloarenes
Solution:
Aryl halides having at least one hydrogen in ortho position undergo nucleophilic substitution with a very strong base like $KNH_{2}$ or $NaNH_{2}$ in Liquid ammonia. This
reaction proceeds via benzyne (aryne) intermediate. When arlyhalides having no hydrogen ortho to the halogen do not react under the same conditions.
