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Q.
Isocyanide can be prepared from alkyl halide on treatment with:
Delhi UMET/DPMTDelhi UMET/DPMT 2003
Solution:
Alkyl cyanide is prepared by reaction between alkyl halide $KCN$ but alkyl halide on reaction with $AgCN$ form alkyl isocyanide.
$\underset{\text{alkyl halide}}{RX} + \underset{\text{silver cyanide}}{AgCN} \to \underset{\text{iso cyanide}}{R \equiv NC + Ag X}$