Aryl cyanides cannot be formed by the reaction of aryl halides and sodium cyanide
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sodium cyanide destabilize benzene ring
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Answer:
Explanation:
aryl halides undergo nucleophilic substitution reaction and substitutes its halide ion with a nucleophile.
aryl halides has a double bond character between halogen and aryl ring.the bond is shorter and stable so it is not displaced easily hence, halide is not substituted easily by the use of usual reagent like sodium cyanide.we need strong reagent like copper cyanide to form aryl cyanide.
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